Home / 2,615,387.20-3,923,080.80-2,460,558.40

Finding the Fourth Proportional to 2,615,387.20, 3,923,080.80 and 2,460,558.40

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Solution

The fourth proportional to 2,615,387.20, 3,923,080.80 and 2,460,558.40 is: 3,690,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,387.20 : 3,923,080.80 = 2,460,558.40 : x
  2. Step 2: Convert to fraction form
    2,615,387.20/3,923,080.80 = 2,460,558.40/x
  3. Step 3: Cross multiply
    2,615,387.20x = 3,923,080.80 × 2,460,558.40
  4. Step 4: Simplify right side
    2,615,387.20x = 9,652,969,416,318.72
  5. Step 5: Solve for x
    x = 9,652,969,416,318.72/2,615,387.20
  6. Step 6: Final answer
    x = 3,690,837.60

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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.