Home / 2,812,001.50-4,218,721.54-817,457.50

Finding the Fourth Proportional to 2,812,001.50, 4,218,721.54 and 817,457.50

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Solution

The fourth proportional to 2,812,001.50, 4,218,721.54 and 817,457.50 is: 1,226,395.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,001.50 : 4,218,721.54 = 817,457.50 : x
  2. Step 2: Convert to fraction form
    2,812,001.50/4,218,721.54 = 817,457.50/x
  3. Step 3: Cross multiply
    2,812,001.50x = 4,218,721.54 × 817,457.50
  4. Step 4: Simplify right side
    2,812,001.50x = 3,448,625,563,284.55
  5. Step 5: Solve for x
    x = 3,448,625,563,284.55/2,812,001.50
  6. Step 6: Final answer
    x = 1,226,395.35

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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.