Home / 6,646,638.80-9,969,812.40-1,854,192.80

Finding the Fourth Proportional to 6,646,638.80, 9,969,812.40 and 1,854,192.80

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Solution

The fourth proportional to 6,646,638.80, 9,969,812.40 and 1,854,192.80 is: 2,781,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,638.80 : 9,969,812.40 = 1,854,192.80 : x
  2. Step 2: Convert to fraction form
    6,646,638.80/9,969,812.40 = 1,854,192.80/x
  3. Step 3: Cross multiply
    6,646,638.80x = 9,969,812.40 × 1,854,192.80
  4. Step 4: Simplify right side
    6,646,638.80x = 18,485,954,369,430.72
  5. Step 5: Solve for x
    x = 18,485,954,369,430.72/6,646,638.80
  6. Step 6: Final answer
    x = 2,781,248.53

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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.