Home / 6,518,919.10-9,781,877.85-2,732,784.70

Finding the Fourth Proportional to 6,518,919.10, 9,781,877.85 and 2,732,784.70

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Solution

The fourth proportional to 6,518,919.10, 9,781,877.85 and 2,732,784.70 is: 4,100,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,919.10 : 9,781,877.85 = 2,732,784.70 : x
  2. Step 2: Convert to fraction form
    6,518,919.10/9,781,877.85 = 2,732,784.70/x
  3. Step 3: Cross multiply
    6,518,919.10x = 9,781,877.85 × 2,732,784.70
  4. Step 4: Simplify right side
    6,518,919.10x = 26,731,766,125,748.89
  5. Step 5: Solve for x
    x = 26,731,766,125,748.89/6,518,919.10
  6. Step 6: Final answer
    x = 4,100,643.94

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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.