Home / 2,925,988.70-4,389,356.72-1,129,385.96

Finding the Fourth Proportional to 2,925,988.70, 4,389,356.72 and 1,129,385.96

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Solution

The fourth proportional to 2,925,988.70, 4,389,356.72 and 1,129,385.96 is: 1,694,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,988.70 : 4,389,356.72 = 1,129,385.96 : x
  2. Step 2: Convert to fraction form
    2,925,988.70/4,389,356.72 = 1,129,385.96/x
  3. Step 3: Cross multiply
    2,925,988.70x = 4,389,356.72 × 1,129,385.96
  4. Step 4: Simplify right side
    2,925,988.70x = 4,957,277,852,999.65
  5. Step 5: Solve for x
    x = 4,957,277,852,999.65/2,925,988.70
  6. Step 6: Final answer
    x = 1,694,223.17

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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.