Home / 4,458,609.20-6,687,913.80-2,917,430.30

Finding the Fourth Proportional to 4,458,609.20, 6,687,913.80 and 2,917,430.30

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Solution

The fourth proportional to 4,458,609.20, 6,687,913.80 and 2,917,430.30 is: 4,376,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458,609.20 : 6,687,913.80 = 2,917,430.30 : x
  2. Step 2: Convert to fraction form
    4,458,609.20/6,687,913.80 = 2,917,430.30/x
  3. Step 3: Cross multiply
    4,458,609.20x = 6,687,913.80 × 2,917,430.30
  4. Step 4: Simplify right side
    4,458,609.20x = 19,511,522,363,908.14
  5. Step 5: Solve for x
    x = 19,511,522,363,908.14/4,458,609.20
  6. Step 6: Final answer
    x = 4,376,145.45

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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.