Home / 3,643,388.28-5,465,070.90-983,996.28

Finding the Fourth Proportional to 3,643,388.28, 5,465,070.90 and 983,996.28

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Solution

The fourth proportional to 3,643,388.28, 5,465,070.90 and 983,996.28 is: 1,475,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,388.28 : 5,465,070.90 = 983,996.28 : x
  2. Step 2: Convert to fraction form
    3,643,388.28/5,465,070.90 = 983,996.28/x
  3. Step 3: Cross multiply
    3,643,388.28x = 5,465,070.90 × 983,996.28
  4. Step 4: Simplify right side
    3,643,388.28x = 5,377,609,435,536.25
  5. Step 5: Solve for x
    x = 5,377,609,435,536.25/3,643,388.28
  6. Step 6: Final answer
    x = 1,475,991.31

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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.