Home / 5,424,665.80-8,134,042.20-1,637,656.60

Finding the Fourth Proportional to 5,424,665.80, 8,134,042.20 and 1,637,656.60

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Solution

The fourth proportional to 5,424,665.80, 8,134,042.20 and 1,637,656.60 is: 2,455,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,665.80 : 8,134,042.20 = 1,637,656.60 : x
  2. Step 2: Convert to fraction form
    5,424,665.80/8,134,042.20 = 1,637,656.60/x
  3. Step 3: Cross multiply
    5,424,665.80x = 8,134,042.20 × 1,637,656.60
  4. Step 4: Simplify right side
    5,424,665.80x = 13,320,767,893,508.52
  5. Step 5: Solve for x
    x = 13,320,767,893,508.52/5,424,665.80
  6. Step 6: Final answer
    x = 2,455,592.36

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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.