Home / 2,318,825.70-3,477,254.40-1,121,115.15

Finding the Fourth Proportional to 2,318,825.70, 3,477,254.40 and 1,121,115.15

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Solution

The fourth proportional to 2,318,825.70, 3,477,254.40 and 1,121,115.15 is: 1,681,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,825.70 : 3,477,254.40 = 1,121,115.15 : x
  2. Step 2: Convert to fraction form
    2,318,825.70/3,477,254.40 = 1,121,115.15/x
  3. Step 3: Cross multiply
    2,318,825.70x = 3,477,254.40 × 1,121,115.15
  4. Step 4: Simplify right side
    2,318,825.70x = 3,898,402,588,244.16
  5. Step 5: Solve for x
    x = 3,898,402,588,244.16/2,318,825.70
  6. Step 6: Final answer
    x = 1,681,196.90

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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.