Home / 3,119,194.10-4,678,791.15-989,444.90

Finding the Fourth Proportional to 3,119,194.10, 4,678,791.15 and 989,444.90

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Solution

The fourth proportional to 3,119,194.10, 4,678,791.15 and 989,444.90 is: 1,484,167.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,194.10 : 4,678,791.15 = 989,444.90 : x
  2. Step 2: Convert to fraction form
    3,119,194.10/4,678,791.15 = 989,444.90/x
  3. Step 3: Cross multiply
    3,119,194.10x = 4,678,791.15 × 989,444.90
  4. Step 4: Simplify right side
    3,119,194.10x = 4,629,406,041,532.64
  5. Step 5: Solve for x
    x = 4,629,406,041,532.64/3,119,194.10
  6. Step 6: Final answer
    x = 1,484,167.35

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Double scale
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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.