Home / 2,428,541.20-3,643,848.60-1,165,718.80

Finding the Fourth Proportional to 2,428,541.20, 3,643,848.60 and 1,165,718.80

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Solution

The fourth proportional to 2,428,541.20, 3,643,848.60 and 1,165,718.80 is: 1,749,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,541.20 : 3,643,848.60 = 1,165,718.80 : x
  2. Step 2: Convert to fraction form
    2,428,541.20/3,643,848.60 = 1,165,718.80/x
  3. Step 3: Cross multiply
    2,428,541.20x = 3,643,848.60 × 1,165,718.80
  4. Step 4: Simplify right side
    2,428,541.20x = 4,247,702,817,373.68
  5. Step 5: Solve for x
    x = 4,247,702,817,373.68/2,428,541.20
  6. Step 6: Final answer
    x = 1,749,075.87

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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.