Home / 2,716,309.80-4,074,464.70-823,145.40

Finding the Fourth Proportional to 2,716,309.80, 4,074,464.70 and 823,145.40

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Solution

The fourth proportional to 2,716,309.80, 4,074,464.70 and 823,145.40 is: 1,234,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716,309.80 : 4,074,464.70 = 823,145.40 : x
  2. Step 2: Convert to fraction form
    2,716,309.80/4,074,464.70 = 823,145.40/x
  3. Step 3: Cross multiply
    2,716,309.80x = 4,074,464.70 × 823,145.40
  4. Step 4: Simplify right side
    2,716,309.80x = 3,353,876,875,267.38
  5. Step 5: Solve for x
    x = 3,353,876,875,267.38/2,716,309.80
  6. Step 6: Final answer
    x = 1,234,718.10

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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.