Home / 3,712,901.70-5,568,574.95-1,821,000.90

Finding the Fourth Proportional to 3,712,901.70, 5,568,574.95 and 1,821,000.90

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Solution

The fourth proportional to 3,712,901.70, 5,568,574.95 and 1,821,000.90 is: 2,731,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,901.70 : 5,568,574.95 = 1,821,000.90 : x
  2. Step 2: Convert to fraction form
    3,712,901.70/5,568,574.95 = 1,821,000.90/x
  3. Step 3: Cross multiply
    3,712,901.70x = 5,568,574.95 × 1,821,000.90
  4. Step 4: Simplify right side
    3,712,901.70x = 10,140,379,995,667.46
  5. Step 5: Solve for x
    x = 10,140,379,995,667.46/3,712,901.70
  6. Step 6: Final answer
    x = 2,731,119.97

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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.