Home / 3,393,998.40-5,090,882.40-869,678.40

Finding the Fourth Proportional to 3,393,998.40, 5,090,882.40 and 869,678.40

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Solution

The fourth proportional to 3,393,998.40, 5,090,882.40 and 869,678.40 is: 1,304,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,998.40 : 5,090,882.40 = 869,678.40 : x
  2. Step 2: Convert to fraction form
    3,393,998.40/5,090,882.40 = 869,678.40/x
  3. Step 3: Cross multiply
    3,393,998.40x = 5,090,882.40 × 869,678.40
  4. Step 4: Simplify right side
    3,393,998.40x = 4,427,430,460,220.16
  5. Step 5: Solve for x
    x = 4,427,430,460,220.16/3,393,998.40
  6. Step 6: Final answer
    x = 1,304,488.08

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Double scale
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Similar ratio
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1.5x scale

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.