Home / 2,774,671.70-4,162,007.55-780,127.70

Finding the Fourth Proportional to 2,774,671.70, 4,162,007.55 and 780,127.70

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Solution

The fourth proportional to 2,774,671.70, 4,162,007.55 and 780,127.70 is: 1,170,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,671.70 : 4,162,007.55 = 780,127.70 : x
  2. Step 2: Convert to fraction form
    2,774,671.70/4,162,007.55 = 780,127.70/x
  3. Step 3: Cross multiply
    2,774,671.70x = 4,162,007.55 × 780,127.70
  4. Step 4: Simplify right side
    2,774,671.70x = 3,246,897,377,364.14
  5. Step 5: Solve for x
    x = 3,246,897,377,364.14/2,774,671.70
  6. Step 6: Final answer
    x = 1,170,191.55

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1.5x scale

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.