Home / 5,178,366.90-7,767,268.56-1,584,133.86

Finding the Fourth Proportional to 5,178,366.90, 7,767,268.56 and 1,584,133.86

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Solution

The fourth proportional to 5,178,366.90, 7,767,268.56 and 1,584,133.86 is: 2,376,114.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,366.90 : 7,767,268.56 = 1,584,133.86 : x
  2. Step 2: Convert to fraction form
    5,178,366.90/7,767,268.56 = 1,584,133.86/x
  3. Step 3: Cross multiply
    5,178,366.90x = 7,767,268.56 × 1,584,133.86
  4. Step 4: Simplify right side
    5,178,366.90x = 12,304,393,125,609.44
  5. Step 5: Solve for x
    x = 12,304,393,125,609.44/5,178,366.90
  6. Step 6: Final answer
    x = 2,376,114.59

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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.