Home / 3,085,393.80-4,630,715.10-1,382,158.20

Finding the Fourth Proportional to 3,085,393.80, 4,630,715.10 and 1,382,158.20

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Solution

The fourth proportional to 3,085,393.80, 4,630,715.10 and 1,382,158.20 is: 2,074,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,393.80 : 4,630,715.10 = 1,382,158.20 : x
  2. Step 2: Convert to fraction form
    3,085,393.80/4,630,715.10 = 1,382,158.20/x
  3. Step 3: Cross multiply
    3,085,393.80x = 4,630,715.10 × 1,382,158.20
  4. Step 4: Simplify right side
    3,085,393.80x = 6,400,380,847,328.82
  5. Step 5: Solve for x
    x = 6,400,380,847,328.82/3,085,393.80
  6. Step 6: Final answer
    x = 2,074,412.95

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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.