Home / 2,767,490.40-4,150,846.80-874,423.20

Finding the Fourth Proportional to 2,767,490.40, 4,150,846.80 and 874,423.20

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Solution

The fourth proportional to 2,767,490.40, 4,150,846.80 and 874,423.20 is: 1,311,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,490.40 : 4,150,846.80 = 874,423.20 : x
  2. Step 2: Convert to fraction form
    2,767,490.40/4,150,846.80 = 874,423.20/x
  3. Step 3: Cross multiply
    2,767,490.40x = 4,150,846.80 × 874,423.20
  4. Step 4: Simplify right side
    2,767,490.40x = 3,629,596,741,565.76
  5. Step 5: Solve for x
    x = 3,629,596,741,565.76/2,767,490.40
  6. Step 6: Final answer
    x = 1,311,511.95

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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.