Home / 1,805,886.52-2,492,151.54-990,164.68

Finding the Fourth Proportional to 1,805,886.52, 2,492,151.54 and 990,164.68

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Solution

The fourth proportional to 1,805,886.52, 2,492,151.54 and 990,164.68 is: 1,366,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,886.52 : 2,492,151.54 = 990,164.68 : x
  2. Step 2: Convert to fraction form
    1,805,886.52/2,492,151.54 = 990,164.68/x
  3. Step 3: Cross multiply
    1,805,886.52x = 2,492,151.54 × 990,164.68
  4. Step 4: Simplify right side
    1,805,886.52x = 2,467,640,432,115.61
  5. Step 5: Solve for x
    x = 2,467,640,432,115.61/1,805,886.52
  6. Step 6: Final answer
    x = 1,366,442.69

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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.