Home / 3,000,125.91-4,140,142.29-1,623,439.65

Finding the Fourth Proportional to 3,000,125.91, 4,140,142.29 and 1,623,439.65

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Solution

The fourth proportional to 3,000,125.91, 4,140,142.29 and 1,623,439.65 is: 2,240,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,125.91 : 4,140,142.29 = 1,623,439.65 : x
  2. Step 2: Convert to fraction form
    3,000,125.91/4,140,142.29 = 1,623,439.65/x
  3. Step 3: Cross multiply
    3,000,125.91x = 4,140,142.29 × 1,623,439.65
  4. Step 4: Simplify right side
    3,000,125.91x = 6,721,271,150,227.80
  5. Step 5: Solve for x
    x = 6,721,271,150,227.80/3,000,125.91
  6. Step 6: Final answer
    x = 2,240,329.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.