Home / 4,815,128.90-7,223,021.40-1,532,223.20

Finding the Fourth Proportional to 4,815,128.90, 7,223,021.40 and 1,532,223.20

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Solution

The fourth proportional to 4,815,128.90, 7,223,021.40 and 1,532,223.20 is: 2,298,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,128.90 : 7,223,021.40 = 1,532,223.20 : x
  2. Step 2: Convert to fraction form
    4,815,128.90/7,223,021.40 = 1,532,223.20/x
  3. Step 3: Cross multiply
    4,815,128.90x = 7,223,021.40 × 1,532,223.20
  4. Step 4: Simplify right side
    4,815,128.90x = 11,067,280,963,176.48
  5. Step 5: Solve for x
    x = 11,067,280,963,176.48/4,815,128.90
  6. Step 6: Final answer
    x = 2,298,439.19

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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.