Home / 3,518,901.60-4,855,951.84-1,991,041.76

Finding the Fourth Proportional to 3,518,901.60, 4,855,951.84 and 1,991,041.76

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Solution

The fourth proportional to 3,518,901.60, 4,855,951.84 and 1,991,041.76 is: 2,747,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,901.60 : 4,855,951.84 = 1,991,041.76 : x
  2. Step 2: Convert to fraction form
    3,518,901.60/4,855,951.84 = 1,991,041.76/x
  3. Step 3: Cross multiply
    3,518,901.60x = 4,855,951.84 × 1,991,041.76
  4. Step 4: Simplify right side
    3,518,901.60x = 9,668,402,897,988.84
  5. Step 5: Solve for x
    x = 9,668,402,897,988.84/3,518,901.60
  6. Step 6: Final answer
    x = 2,747,562.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.