Home / 2,616,471.32-3,924,707.02-819,495.40

Finding the Fourth Proportional to 2,616,471.32, 3,924,707.02 and 819,495.40

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Solution

The fourth proportional to 2,616,471.32, 3,924,707.02 and 819,495.40 is: 1,229,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,471.32 : 3,924,707.02 = 819,495.40 : x
  2. Step 2: Convert to fraction form
    2,616,471.32/3,924,707.02 = 819,495.40/x
  3. Step 3: Cross multiply
    2,616,471.32x = 3,924,707.02 × 819,495.40
  4. Step 4: Simplify right side
    2,616,471.32x = 3,216,279,349,237.71
  5. Step 5: Solve for x
    x = 3,216,279,349,237.71/2,616,471.32
  6. Step 6: Final answer
    x = 1,229,243.11

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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.