Home / 3,119,304.70-4,678,957.05-1,702,128.70

Finding the Fourth Proportional to 3,119,304.70, 4,678,957.05 and 1,702,128.70

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Solution

The fourth proportional to 3,119,304.70, 4,678,957.05 and 1,702,128.70 is: 2,553,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,304.70 : 4,678,957.05 = 1,702,128.70 : x
  2. Step 2: Convert to fraction form
    3,119,304.70/4,678,957.05 = 1,702,128.70/x
  3. Step 3: Cross multiply
    3,119,304.70x = 4,678,957.05 × 1,702,128.70
  4. Step 4: Simplify right side
    3,119,304.70x = 7,964,187,080,872.33
  5. Step 5: Solve for x
    x = 7,964,187,080,872.33/3,119,304.70
  6. Step 6: Final answer
    x = 2,553,193.05

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Similar ratio
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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.