Home / 2,178,748.60-3,268,122.90-1,113,436.60

Finding the Fourth Proportional to 2,178,748.60, 3,268,122.90 and 1,113,436.60

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Solution

The fourth proportional to 2,178,748.60, 3,268,122.90 and 1,113,436.60 is: 1,670,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,748.60 : 3,268,122.90 = 1,113,436.60 : x
  2. Step 2: Convert to fraction form
    2,178,748.60/3,268,122.90 = 1,113,436.60/x
  3. Step 3: Cross multiply
    2,178,748.60x = 3,268,122.90 × 1,113,436.60
  4. Step 4: Simplify right side
    2,178,748.60x = 3,638,847,650,158.14
  5. Step 5: Solve for x
    x = 3,638,847,650,158.14/2,178,748.60
  6. Step 6: Final answer
    x = 1,670,154.90

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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.