Home / 1,778,503.60-2,455,750.24-1,642,487.92

Finding the Fourth Proportional to 1,778,503.60, 2,455,750.24 and 1,642,487.92

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Solution

The fourth proportional to 1,778,503.60, 2,455,750.24 and 1,642,487.92 is: 2,267,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,503.60 : 2,455,750.24 = 1,642,487.92 : x
  2. Step 2: Convert to fraction form
    1,778,503.60/2,455,750.24 = 1,642,487.92/x
  3. Step 3: Cross multiply
    1,778,503.60x = 2,455,750.24 × 1,642,487.92
  4. Step 4: Simplify right side
    1,778,503.60x = 4,033,540,103,737.10
  5. Step 5: Solve for x
    x = 4,033,540,103,737.10/1,778,503.60
  6. Step 6: Final answer
    x = 2,267,940.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.