Home / 2,811,781.80-4,217,672.70-1,295,461.80

Finding the Fourth Proportional to 2,811,781.80, 4,217,672.70 and 1,295,461.80

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Solution

The fourth proportional to 2,811,781.80, 4,217,672.70 and 1,295,461.80 is: 1,943,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,781.80 : 4,217,672.70 = 1,295,461.80 : x
  2. Step 2: Convert to fraction form
    2,811,781.80/4,217,672.70 = 1,295,461.80/x
  3. Step 3: Cross multiply
    2,811,781.80x = 4,217,672.70 × 1,295,461.80
  4. Step 4: Simplify right side
    2,811,781.80x = 5,463,833,867,752.86
  5. Step 5: Solve for x
    x = 5,463,833,867,752.86/2,811,781.80
  6. Step 6: Final answer
    x = 1,943,192.70

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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.