Home / 2,174,950.20-3,263,591.70-912,905.40

Finding the Fourth Proportional to 2,174,950.20, 3,263,591.70 and 912,905.40

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Solution

The fourth proportional to 2,174,950.20, 3,263,591.70 and 912,905.40 is: 1,369,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,950.20 : 3,263,591.70 = 912,905.40 : x
  2. Step 2: Convert to fraction form
    2,174,950.20/3,263,591.70 = 912,905.40/x
  3. Step 3: Cross multiply
    2,174,950.20x = 3,263,591.70 × 912,905.40
  4. Step 4: Simplify right side
    2,174,950.20x = 2,979,350,486,325.18
  5. Step 5: Solve for x
    x = 2,979,350,486,325.18/2,174,950.20
  6. Step 6: Final answer
    x = 1,369,847.68

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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.