Home / 6,520,922.90-9,781,384.35-3,997,999.70

Finding the Fourth Proportional to 6,520,922.90, 9,781,384.35 and 3,997,999.70

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Solution

The fourth proportional to 6,520,922.90, 9,781,384.35 and 3,997,999.70 is: 5,996,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,922.90 : 9,781,384.35 = 3,997,999.70 : x
  2. Step 2: Convert to fraction form
    6,520,922.90/9,781,384.35 = 3,997,999.70/x
  3. Step 3: Cross multiply
    6,520,922.90x = 9,781,384.35 × 3,997,999.70
  4. Step 4: Simplify right side
    6,520,922.90x = 39,105,971,696,884.70
  5. Step 5: Solve for x
    x = 39,105,971,696,884.70/6,520,922.90
  6. Step 6: Final answer
    x = 5,996,999.55

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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.