Home / 4,815,108.60-7,223,732.10-1,620,144.60

Finding the Fourth Proportional to 4,815,108.60, 7,223,732.10 and 1,620,144.60

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Solution

The fourth proportional to 4,815,108.60, 7,223,732.10 and 1,620,144.60 is: 2,430,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,108.60 : 7,223,732.10 = 1,620,144.60 : x
  2. Step 2: Convert to fraction form
    4,815,108.60/7,223,732.10 = 1,620,144.60/x
  3. Step 3: Cross multiply
    4,815,108.60x = 7,223,732.10 × 1,620,144.60
  4. Step 4: Simplify right side
    4,815,108.60x = 11,703,490,553,661.66
  5. Step 5: Solve for x
    x = 11,703,490,553,661.66/4,815,108.60
  6. Step 6: Final answer
    x = 2,430,576.65

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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.