Home / 3,620,834.40-5,431,250.76-925,164.64

Finding the Fourth Proportional to 3,620,834.40, 5,431,250.76 and 925,164.64

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Solution

The fourth proportional to 3,620,834.40, 5,431,250.76 and 925,164.64 is: 1,387,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,834.40 : 5,431,250.76 = 925,164.64 : x
  2. Step 2: Convert to fraction form
    3,620,834.40/5,431,250.76 = 925,164.64/x
  3. Step 3: Cross multiply
    3,620,834.40x = 5,431,250.76 × 925,164.64
  4. Step 4: Simplify right side
    3,620,834.40x = 5,024,801,154,125.13
  5. Step 5: Solve for x
    x = 5,024,801,154,125.13/3,620,834.40
  6. Step 6: Final answer
    x = 1,387,746.75

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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.