Home / 2,916,287.20-4,374,430.80-2,313,987.40

Finding the Fourth Proportional to 2,916,287.20, 4,374,430.80 and 2,313,987.40

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Solution

The fourth proportional to 2,916,287.20, 4,374,430.80 and 2,313,987.40 is: 3,470,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,287.20 : 4,374,430.80 = 2,313,987.40 : x
  2. Step 2: Convert to fraction form
    2,916,287.20/4,374,430.80 = 2,313,987.40/x
  3. Step 3: Cross multiply
    2,916,287.20x = 4,374,430.80 × 2,313,987.40
  4. Step 4: Simplify right side
    2,916,287.20x = 10,122,377,753,371.92
  5. Step 5: Solve for x
    x = 10,122,377,753,371.92/2,916,287.20
  6. Step 6: Final answer
    x = 3,470,981.10

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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.