Home / 3,745,865.28-5,618,800.65-905,980.17

Finding the Fourth Proportional to 3,745,865.28, 5,618,800.65 and 905,980.17

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Solution

The fourth proportional to 3,745,865.28, 5,618,800.65 and 905,980.17 is: 1,358,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,865.28 : 5,618,800.65 = 905,980.17 : x
  2. Step 2: Convert to fraction form
    3,745,865.28/5,618,800.65 = 905,980.17/x
  3. Step 3: Cross multiply
    3,745,865.28x = 5,618,800.65 × 905,980.17
  4. Step 4: Simplify right side
    3,745,865.28x = 5,090,521,971,480.54
  5. Step 5: Solve for x
    x = 5,090,521,971,480.54/3,745,865.28
  6. Step 6: Final answer
    x = 1,358,970.92

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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.