Home / 1,646,362.20-2,272,332.78-1,001,989.92

Finding the Fourth Proportional to 1,646,362.20, 2,272,332.78 and 1,001,989.92

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Solution

The fourth proportional to 1,646,362.20, 2,272,332.78 and 1,001,989.92 is: 1,382,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,362.20 : 2,272,332.78 = 1,001,989.92 : x
  2. Step 2: Convert to fraction form
    1,646,362.20/2,272,332.78 = 1,001,989.92/x
  3. Step 3: Cross multiply
    1,646,362.20x = 2,272,332.78 × 1,001,989.92
  4. Step 4: Simplify right side
    1,646,362.20x = 2,276,854,540,445.58
  5. Step 5: Solve for x
    x = 2,276,854,540,445.58/1,646,362.20
  6. Step 6: Final answer
    x = 1,382,960.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.