Home / 3,561,153.60-5,345,877.60-2,142,811.20

Finding the Fourth Proportional to 3,561,153.60, 5,345,877.60 and 2,142,811.20

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Solution

The fourth proportional to 3,561,153.60, 5,345,877.60 and 2,142,811.20 is: 3,216,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561,153.60 : 5,345,877.60 = 2,142,811.20 : x
  2. Step 2: Convert to fraction form
    3,561,153.60/5,345,877.60 = 2,142,811.20/x
  3. Step 3: Cross multiply
    3,561,153.60x = 5,345,877.60 × 2,142,811.20
  4. Step 4: Simplify right side
    3,561,153.60x = 11,455,206,395,109.12
  5. Step 5: Solve for x
    x = 11,455,206,395,109.12/3,561,153.60
  6. Step 6: Final answer
    x = 3,216,712.25

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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.