Home / 3,418,407.54-4,716,878.30-1,967,822.70

Finding the Fourth Proportional to 3,418,407.54, 4,716,878.30 and 1,967,822.70

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Solution

The fourth proportional to 3,418,407.54, 4,716,878.30 and 1,967,822.70 is: 2,715,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,407.54 : 4,716,878.30 = 1,967,822.70 : x
  2. Step 2: Convert to fraction form
    3,418,407.54/4,716,878.30 = 1,967,822.70/x
  3. Step 3: Cross multiply
    3,418,407.54x = 4,716,878.30 × 1,967,822.70
  4. Step 4: Simplify right side
    3,418,407.54x = 9,281,980,191,877.41
  5. Step 5: Solve for x
    x = 9,281,980,191,877.41/3,418,407.54
  6. Step 6: Final answer
    x = 2,715,293.62

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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.