Home / 1,616,470.31-2,230,649.01-918,660.29

Finding the Fourth Proportional to 1,616,470.31, 2,230,649.01 and 918,660.29

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Solution

The fourth proportional to 1,616,470.31, 2,230,649.01 and 918,660.29 is: 1,267,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,470.31 : 2,230,649.01 = 918,660.29 : x
  2. Step 2: Convert to fraction form
    1,616,470.31/2,230,649.01 = 918,660.29/x
  3. Step 3: Cross multiply
    1,616,470.31x = 2,230,649.01 × 918,660.29
  4. Step 4: Simplify right side
    1,616,470.31x = 2,049,208,666,414.81
  5. Step 5: Solve for x
    x = 2,049,208,666,414.81/1,616,470.31
  6. Step 6: Final answer
    x = 1,267,705.73

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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.