Home / 4,120,689.60-6,181,034.40-1,128,873.60

Finding the Fourth Proportional to 4,120,689.60, 6,181,034.40 and 1,128,873.60

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Solution

The fourth proportional to 4,120,689.60, 6,181,034.40 and 1,128,873.60 is: 1,693,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,689.60 : 6,181,034.40 = 1,128,873.60 : x
  2. Step 2: Convert to fraction form
    4,120,689.60/6,181,034.40 = 1,128,873.60/x
  3. Step 3: Cross multiply
    4,120,689.60x = 6,181,034.40 × 1,128,873.60
  4. Step 4: Simplify right side
    4,120,689.60x = 6,977,606,554,851.84
  5. Step 5: Solve for x
    x = 6,977,606,554,851.84/4,120,689.60
  6. Step 6: Final answer
    x = 1,693,310.40

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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.