Home / 3,264,147.60-4,890,389.40-1,577,533.20

Finding the Fourth Proportional to 3,264,147.60, 4,890,389.40 and 1,577,533.20

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Solution

The fourth proportional to 3,264,147.60, 4,890,389.40 and 1,577,533.20 is: 2,363,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264,147.60 : 4,890,389.40 = 1,577,533.20 : x
  2. Step 2: Convert to fraction form
    3,264,147.60/4,890,389.40 = 1,577,533.20/x
  3. Step 3: Cross multiply
    3,264,147.60x = 4,890,389.40 × 1,577,533.20
  4. Step 4: Simplify right side
    3,264,147.60x = 7,714,751,639,428.08
  5. Step 5: Solve for x
    x = 7,714,751,639,428.08/3,264,147.60
  6. Step 6: Final answer
    x = 2,363,481.25

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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.