Home / 2,712,515.20-4,069,809.60-2,670,006.40

Finding the Fourth Proportional to 2,712,515.20, 4,069,809.60 and 2,670,006.40

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Solution

The fourth proportional to 2,712,515.20, 4,069,809.60 and 2,670,006.40 is: 4,006,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,515.20 : 4,069,809.60 = 2,670,006.40 : x
  2. Step 2: Convert to fraction form
    2,712,515.20/4,069,809.60 = 2,670,006.40/x
  3. Step 3: Cross multiply
    2,712,515.20x = 4,069,809.60 × 2,670,006.40
  4. Step 4: Simplify right side
    2,712,515.20x = 10,866,417,678,781.44
  5. Step 5: Solve for x
    x = 10,866,417,678,781.44/2,712,515.20
  6. Step 6: Final answer
    x = 4,006,030.15

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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.