Home / 3,745,864.91-5,618,800.09-905,979.80

Finding the Fourth Proportional to 3,745,864.91, 5,618,800.09 and 905,979.80

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Solution

The fourth proportional to 3,745,864.91, 5,618,800.09 and 905,979.80 is: 1,358,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,864.91 : 5,618,800.09 = 905,979.80 : x
  2. Step 2: Convert to fraction form
    3,745,864.91/5,618,800.09 = 905,979.80/x
  3. Step 3: Cross multiply
    3,745,864.91x = 5,618,800.09 × 905,979.80
  4. Step 4: Simplify right side
    3,745,864.91x = 5,090,519,354,816.66
  5. Step 5: Solve for x
    x = 5,090,519,354,816.66/3,745,864.91
  6. Step 6: Final answer
    x = 1,358,970.35

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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.