Home / 1,969,951.80-2,954,927.70-771,475.80

Finding the Fourth Proportional to 1,969,951.80, 2,954,927.70 and 771,475.80

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Solution

The fourth proportional to 1,969,951.80, 2,954,927.70 and 771,475.80 is: 1,157,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,951.80 : 2,954,927.70 = 771,475.80 : x
  2. Step 2: Convert to fraction form
    1,969,951.80/2,954,927.70 = 771,475.80/x
  3. Step 3: Cross multiply
    1,969,951.80x = 2,954,927.70 × 771,475.80
  4. Step 4: Simplify right side
    1,969,951.80x = 2,279,655,211,299.66
  5. Step 5: Solve for x
    x = 2,279,655,211,299.66/1,969,951.80
  6. Step 6: Final answer
    x = 1,157,213.70

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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.