Home / 5,304,878.70-7,320,731.67-2,890,430.70

Finding the Fourth Proportional to 5,304,878.70, 7,320,731.67 and 2,890,430.70

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Solution

The fourth proportional to 5,304,878.70, 7,320,731.67 and 2,890,430.70 is: 3,988,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304,878.70 : 7,320,731.67 = 2,890,430.70 : x
  2. Step 2: Convert to fraction form
    5,304,878.70/7,320,731.67 = 2,890,430.70/x
  3. Step 3: Cross multiply
    5,304,878.70x = 7,320,731.67 × 2,890,430.70
  4. Step 4: Simplify right side
    5,304,878.70x = 21,160,067,565,430.27
  5. Step 5: Solve for x
    x = 21,160,067,565,430.27/5,304,878.70
  6. Step 6: Final answer
    x = 3,988,793.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.