Home / 2,186,753.40-3,280,130.10-1,689,089.40

Finding the Fourth Proportional to 2,186,753.40, 3,280,130.10 and 1,689,089.40

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Solution

The fourth proportional to 2,186,753.40, 3,280,130.10 and 1,689,089.40 is: 2,533,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,753.40 : 3,280,130.10 = 1,689,089.40 : x
  2. Step 2: Convert to fraction form
    2,186,753.40/3,280,130.10 = 1,689,089.40/x
  3. Step 3: Cross multiply
    2,186,753.40x = 3,280,130.10 × 1,689,089.40
  4. Step 4: Simplify right side
    2,186,753.40x = 5,540,432,982,530.94
  5. Step 5: Solve for x
    x = 5,540,432,982,530.94/2,186,753.40
  6. Step 6: Final answer
    x = 2,533,634.10

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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.