Home / 4,612,823.78-6,919,896-1,418,218.18

Finding the Fourth Proportional to 4,612,823.78, 6,919,896 and 1,418,218.18

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Solution

The fourth proportional to 4,612,823.78, 6,919,896 and 1,418,218.18 is: 2,127,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612,823.78 : 6,919,896 = 1,418,218.18 : x
  2. Step 2: Convert to fraction form
    4,612,823.78/6,919,896 = 1,418,218.18/x
  3. Step 3: Cross multiply
    4,612,823.78x = 6,919,896 × 1,418,218.18
  4. Step 4: Simplify right side
    4,612,823.78x = 9,813,922,310,909.28
  5. Step 5: Solve for x
    x = 9,813,922,310,909.28/4,612,823.78
  6. Step 6: Final answer
    x = 2,127,530.29

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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.