Home / 1,566,261.20-2,349,391.80-1,318,255.40

Finding the Fourth Proportional to 1,566,261.20, 2,349,391.80 and 1,318,255.40

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Solution

The fourth proportional to 1,566,261.20, 2,349,391.80 and 1,318,255.40 is: 1,977,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,261.20 : 2,349,391.80 = 1,318,255.40 : x
  2. Step 2: Convert to fraction form
    1,566,261.20/2,349,391.80 = 1,318,255.40/x
  3. Step 3: Cross multiply
    1,566,261.20x = 2,349,391.80 × 1,318,255.40
  4. Step 4: Simplify right side
    1,566,261.20x = 3,097,098,427,065.72
  5. Step 5: Solve for x
    x = 3,097,098,427,065.72/1,566,261.20
  6. Step 6: Final answer
    x = 1,977,383.10

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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.