Home / 3,168,228.30-4,752,342.45-2,645,681.10

Finding the Fourth Proportional to 3,168,228.30, 4,752,342.45 and 2,645,681.10

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Solution

The fourth proportional to 3,168,228.30, 4,752,342.45 and 2,645,681.10 is: 3,968,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,228.30 : 4,752,342.45 = 2,645,681.10 : x
  2. Step 2: Convert to fraction form
    3,168,228.30/4,752,342.45 = 2,645,681.10/x
  3. Step 3: Cross multiply
    3,168,228.30x = 4,752,342.45 × 2,645,681.10
  4. Step 4: Simplify right side
    3,168,228.30x = 12,573,182,600,692.70
  5. Step 5: Solve for x
    x = 12,573,182,600,692.70/3,168,228.30
  6. Step 6: Final answer
    x = 3,968,521.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.