Home / 4,152,137.80-6,228,206.70-3,480,291.40

Finding the Fourth Proportional to 4,152,137.80, 6,228,206.70 and 3,480,291.40

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Solution

The fourth proportional to 4,152,137.80, 6,228,206.70 and 3,480,291.40 is: 5,220,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152,137.80 : 6,228,206.70 = 3,480,291.40 : x
  2. Step 2: Convert to fraction form
    4,152,137.80/6,228,206.70 = 3,480,291.40/x
  3. Step 3: Cross multiply
    4,152,137.80x = 6,228,206.70 × 3,480,291.40
  4. Step 4: Simplify right side
    4,152,137.80x = 21,675,974,215,432.38
  5. Step 5: Solve for x
    x = 21,675,974,215,432.38/4,152,137.80
  6. Step 6: Final answer
    x = 5,220,437.10

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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.