Home / 2,140,269.90-3,210,550.65-681,200.70

Finding the Fourth Proportional to 2,140,269.90, 3,210,550.65 and 681,200.70

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Solution

The fourth proportional to 2,140,269.90, 3,210,550.65 and 681,200.70 is: 1,021,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,269.90 : 3,210,550.65 = 681,200.70 : x
  2. Step 2: Convert to fraction form
    2,140,269.90/3,210,550.65 = 681,200.70/x
  3. Step 3: Cross multiply
    2,140,269.90x = 3,210,550.65 × 681,200.70
  4. Step 4: Simplify right side
    2,140,269.90x = 2,187,029,350,165.45
  5. Step 5: Solve for x
    x = 2,187,029,350,165.45/2,140,269.90
  6. Step 6: Final answer
    x = 1,021,847.45

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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.