Home / 1,515,809.65-2,274,902.16-1,057,419.31

Finding the Fourth Proportional to 1,515,809.65, 2,274,902.16 and 1,057,419.31

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Solution

The fourth proportional to 1,515,809.65, 2,274,902.16 and 1,057,419.31 is: 1,586,957.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,809.65 : 2,274,902.16 = 1,057,419.31 : x
  2. Step 2: Convert to fraction form
    1,515,809.65/2,274,902.16 = 1,057,419.31/x
  3. Step 3: Cross multiply
    1,515,809.65x = 2,274,902.16 × 1,057,419.31
  4. Step 4: Simplify right side
    1,515,809.65x = 2,405,525,472,344.71
  5. Step 5: Solve for x
    x = 2,405,525,472,344.71/1,515,809.65
  6. Step 6: Final answer
    x = 1,586,957.49

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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.