Home / 1,806,484.35-2,492,951.89-990,693.76

Finding the Fourth Proportional to 1,806,484.35, 2,492,951.89 and 990,693.76

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Solution

The fourth proportional to 1,806,484.35, 2,492,951.89 and 990,693.76 is: 1,367,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,484.35 : 2,492,951.89 = 990,693.76 : x
  2. Step 2: Convert to fraction form
    1,806,484.35/2,492,951.89 = 990,693.76/x
  3. Step 3: Cross multiply
    1,806,484.35x = 2,492,951.89 × 990,693.76
  4. Step 4: Simplify right side
    1,806,484.35x = 2,469,751,881,403.21
  5. Step 5: Solve for x
    x = 2,469,751,881,403.21/1,806,484.35
  6. Step 6: Final answer
    x = 1,367,159.30

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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.