Home / 2,639,661.60-3,955,555.80-2,238,128.40

Finding the Fourth Proportional to 2,639,661.60, 3,955,555.80 and 2,238,128.40

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Solution

The fourth proportional to 2,639,661.60, 3,955,555.80 and 2,238,128.40 is: 3,353,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,661.60 : 3,955,555.80 = 2,238,128.40 : x
  2. Step 2: Convert to fraction form
    2,639,661.60/3,955,555.80 = 2,238,128.40/x
  3. Step 3: Cross multiply
    2,639,661.60x = 3,955,555.80 × 2,238,128.40
  4. Step 4: Simplify right side
    2,639,661.60x = 8,853,041,773,764.72
  5. Step 5: Solve for x
    x = 8,853,041,773,764.72/2,639,661.60
  6. Step 6: Final answer
    x = 3,353,854.82

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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.