Home / 4,927,218.90-7,398,431.55-2,687,730.90

Finding the Fourth Proportional to 4,927,218.90, 7,398,431.55 and 2,687,730.90

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Solution

The fourth proportional to 4,927,218.90, 7,398,431.55 and 2,687,730.90 is: 4,035,743.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927,218.90 : 7,398,431.55 = 2,687,730.90 : x
  2. Step 2: Convert to fraction form
    4,927,218.90/7,398,431.55 = 2,687,730.90/x
  3. Step 3: Cross multiply
    4,927,218.90x = 7,398,431.55 × 2,687,730.90
  4. Step 4: Simplify right side
    4,927,218.90x = 19,884,993,088,469.89
  5. Step 5: Solve for x
    x = 19,884,993,088,469.89/4,927,218.90
  6. Step 6: Final answer
    x = 4,035,743.79

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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.