Home / 1,827,318.40-2,733,201.60-1,639,139.20

Finding the Fourth Proportional to 1,827,318.40, 2,733,201.60 and 1,639,139.20

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Solution

The fourth proportional to 1,827,318.40, 2,733,201.60 and 1,639,139.20 is: 2,451,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827,318.40 : 2,733,201.60 = 1,639,139.20 : x
  2. Step 2: Convert to fraction form
    1,827,318.40/2,733,201.60 = 1,639,139.20/x
  3. Step 3: Cross multiply
    1,827,318.40x = 2,733,201.60 × 1,639,139.20
  4. Step 4: Simplify right side
    1,827,318.40x = 4,480,097,884,062.72
  5. Step 5: Solve for x
    x = 4,480,097,884,062.72/1,827,318.40
  6. Step 6: Final answer
    x = 2,451,733.58

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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.