Home / 5,217,657.60-7,820,265.60-2,692,012.80

Finding the Fourth Proportional to 5,217,657.60, 7,820,265.60 and 2,692,012.80

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Solution

The fourth proportional to 5,217,657.60, 7,820,265.60 and 2,692,012.80 is: 4,034,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,657.60 : 7,820,265.60 = 2,692,012.80 : x
  2. Step 2: Convert to fraction form
    5,217,657.60/7,820,265.60 = 2,692,012.80/x
  3. Step 3: Cross multiply
    5,217,657.60x = 7,820,265.60 × 2,692,012.80
  4. Step 4: Simplify right side
    5,217,657.60x = 21,052,255,094,599.68
  5. Step 5: Solve for x
    x = 21,052,255,094,599.68/5,217,657.60
  6. Step 6: Final answer
    x = 4,034,809.62

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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.