Home / 1,610,331.20-2,222,261.64-922,013.61

Finding the Fourth Proportional to 1,610,331.20, 2,222,261.64 and 922,013.61

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Solution

The fourth proportional to 1,610,331.20, 2,222,261.64 and 922,013.61 is: 1,272,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610,331.20 : 2,222,261.64 = 922,013.61 : x
  2. Step 2: Convert to fraction form
    1,610,331.20/2,222,261.64 = 922,013.61/x
  3. Step 3: Cross multiply
    1,610,331.20x = 2,222,261.64 × 922,013.61
  4. Step 4: Simplify right side
    1,610,331.20x = 2,048,955,477,060.92
  5. Step 5: Solve for x
    x = 2,048,955,477,060.92/1,610,331.20
  6. Step 6: Final answer
    x = 1,272,381.41

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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.