Home / 2,658,665.60-3,987,998.40-885,737.60

Finding the Fourth Proportional to 2,658,665.60, 3,987,998.40 and 885,737.60

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Solution

The fourth proportional to 2,658,665.60, 3,987,998.40 and 885,737.60 is: 1,328,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,665.60 : 3,987,998.40 = 885,737.60 : x
  2. Step 2: Convert to fraction form
    2,658,665.60/3,987,998.40 = 885,737.60/x
  3. Step 3: Cross multiply
    2,658,665.60x = 3,987,998.40 × 885,737.60
  4. Step 4: Simplify right side
    2,658,665.60x = 3,532,320,131,619.84
  5. Step 5: Solve for x
    x = 3,532,320,131,619.84/2,658,665.60
  6. Step 6: Final answer
    x = 1,328,606.40

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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.