Home / 1,806,462.90-2,492,689.68-990,451.86

Finding the Fourth Proportional to 1,806,462.90, 2,492,689.68 and 990,451.86

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Solution

The fourth proportional to 1,806,462.90, 2,492,689.68 and 990,451.86 is: 1,366,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,462.90 : 2,492,689.68 = 990,451.86 : x
  2. Step 2: Convert to fraction form
    1,806,462.90/2,492,689.68 = 990,451.86/x
  3. Step 3: Cross multiply
    1,806,462.90x = 2,492,689.68 × 990,451.86
  4. Step 4: Simplify right side
    1,806,462.90x = 2,468,889,129,958.80
  5. Step 5: Solve for x
    x = 2,468,889,129,958.80/1,806,462.90
  6. Step 6: Final answer
    x = 1,366,697.94

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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.