Home / 4,458,605.20-6,687,907.80-2,917,426.30

Finding the Fourth Proportional to 4,458,605.20, 6,687,907.80 and 2,917,426.30

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Solution

The fourth proportional to 4,458,605.20, 6,687,907.80 and 2,917,426.30 is: 4,376,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458,605.20 : 6,687,907.80 = 2,917,426.30 : x
  2. Step 2: Convert to fraction form
    4,458,605.20/6,687,907.80 = 2,917,426.30/x
  3. Step 3: Cross multiply
    4,458,605.20x = 6,687,907.80 × 2,917,426.30
  4. Step 4: Simplify right side
    4,458,605.20x = 19,511,478,107,695.14
  5. Step 5: Solve for x
    x = 19,511,478,107,695.14/4,458,605.20
  6. Step 6: Final answer
    x = 4,376,139.45

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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.