Home / 5,121,589.60-7,682,384.40-2,570,672.80

Finding the Fourth Proportional to 5,121,589.60, 7,682,384.40 and 2,570,672.80

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Solution

The fourth proportional to 5,121,589.60, 7,682,384.40 and 2,570,672.80 is: 3,856,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,589.60 : 7,682,384.40 = 2,570,672.80 : x
  2. Step 2: Convert to fraction form
    5,121,589.60/7,682,384.40 = 2,570,672.80/x
  3. Step 3: Cross multiply
    5,121,589.60x = 7,682,384.40 × 2,570,672.80
  4. Step 4: Simplify right side
    5,121,589.60x = 19,748,896,616,224.32
  5. Step 5: Solve for x
    x = 19,748,896,616,224.32/5,121,589.60
  6. Step 6: Final answer
    x = 3,856,009.20

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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.