Home / 5,601,400.80-8,402,101.20-1,815,266.40

Finding the Fourth Proportional to 5,601,400.80, 8,402,101.20 and 1,815,266.40

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Solution

The fourth proportional to 5,601,400.80, 8,402,101.20 and 1,815,266.40 is: 2,722,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601,400.80 : 8,402,101.20 = 1,815,266.40 : x
  2. Step 2: Convert to fraction form
    5,601,400.80/8,402,101.20 = 1,815,266.40/x
  3. Step 3: Cross multiply
    5,601,400.80x = 8,402,101.20 × 1,815,266.40
  4. Step 4: Simplify right side
    5,601,400.80x = 15,252,051,997,759.68
  5. Step 5: Solve for x
    x = 15,252,051,997,759.68/5,601,400.80
  6. Step 6: Final answer
    x = 2,722,899.60

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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.