Home / 5,328,091.04-7,990,152.88-1,915,446.36

Finding the Fourth Proportional to 5,328,091.04, 7,990,152.88 and 1,915,446.36

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Solution

The fourth proportional to 5,328,091.04, 7,990,152.88 and 1,915,446.36 is: 2,872,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,091.04 : 7,990,152.88 = 1,915,446.36 : x
  2. Step 2: Convert to fraction form
    5,328,091.04/7,990,152.88 = 1,915,446.36/x
  3. Step 3: Cross multiply
    5,328,091.04x = 7,990,152.88 × 1,915,446.36
  4. Step 4: Simplify right side
    5,328,091.04x = 15,304,709,240,262.29
  5. Step 5: Solve for x
    x = 15,304,709,240,262.29/5,328,091.04
  6. Step 6: Final answer
    x = 2,872,456.41

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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.