Home / 2,591,988.60-3,886,139.70-993,934.20

Finding the Fourth Proportional to 2,591,988.60, 3,886,139.70 and 993,934.20

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Solution

The fourth proportional to 2,591,988.60, 3,886,139.70 and 993,934.20 is: 1,490,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,988.60 : 3,886,139.70 = 993,934.20 : x
  2. Step 2: Convert to fraction form
    2,591,988.60/3,886,139.70 = 993,934.20/x
  3. Step 3: Cross multiply
    2,591,988.60x = 3,886,139.70 × 993,934.20
  4. Step 4: Simplify right side
    2,591,988.60x = 3,862,567,153,807.74
  5. Step 5: Solve for x
    x = 3,862,567,153,807.74/2,591,988.60
  6. Step 6: Final answer
    x = 1,490,194.50

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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.