Home / 2,851,990.92-4,275,107.73-1,787,780.32

Finding the Fourth Proportional to 2,851,990.92, 4,275,107.73 and 1,787,780.32

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Solution

The fourth proportional to 2,851,990.92, 4,275,107.73 and 1,787,780.32 is: 2,679,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,990.92 : 4,275,107.73 = 1,787,780.32 : x
  2. Step 2: Convert to fraction form
    2,851,990.92/4,275,107.73 = 1,787,780.32/x
  3. Step 3: Cross multiply
    2,851,990.92x = 4,275,107.73 × 1,787,780.32
  4. Step 4: Simplify right side
    2,851,990.92x = 7,642,953,454,886.11
  5. Step 5: Solve for x
    x = 7,642,953,454,886.11/2,851,990.92
  6. Step 6: Final answer
    x = 2,679,865.98

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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.