Home / 1,806,462.87-2,492,689.64-990,451.82

Finding the Fourth Proportional to 1,806,462.87, 2,492,689.64 and 990,451.82

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Solution

The fourth proportional to 1,806,462.87, 2,492,689.64 and 990,451.82 is: 1,366,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,462.87 : 2,492,689.64 = 990,451.82 : x
  2. Step 2: Convert to fraction form
    1,806,462.87/2,492,689.64 = 990,451.82/x
  3. Step 3: Cross multiply
    1,806,462.87x = 2,492,689.64 × 990,451.82
  4. Step 4: Simplify right side
    1,806,462.87x = 2,468,888,990,633.15
  5. Step 5: Solve for x
    x = 2,468,888,990,633.15/1,806,462.87
  6. Step 6: Final answer
    x = 1,366,697.89

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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.