Home / 2,766,247.80-4,149,371.70-771,703.80

Finding the Fourth Proportional to 2,766,247.80, 4,149,371.70 and 771,703.80

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Solution

The fourth proportional to 2,766,247.80, 4,149,371.70 and 771,703.80 is: 1,157,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766,247.80 : 4,149,371.70 = 771,703.80 : x
  2. Step 2: Convert to fraction form
    2,766,247.80/4,149,371.70 = 771,703.80/x
  3. Step 3: Cross multiply
    2,766,247.80x = 4,149,371.70 × 771,703.80
  4. Step 4: Simplify right side
    2,766,247.80x = 3,202,085,908,502.46
  5. Step 5: Solve for x
    x = 3,202,085,908,502.46/2,766,247.80
  6. Step 6: Final answer
    x = 1,157,555.70

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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.