Home / 3,126,386.40-4,689,579.60-1,328,672.40

Finding the Fourth Proportional to 3,126,386.40, 4,689,579.60 and 1,328,672.40

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Solution

The fourth proportional to 3,126,386.40, 4,689,579.60 and 1,328,672.40 is: 1,993,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,386.40 : 4,689,579.60 = 1,328,672.40 : x
  2. Step 2: Convert to fraction form
    3,126,386.40/4,689,579.60 = 1,328,672.40/x
  3. Step 3: Cross multiply
    3,126,386.40x = 4,689,579.60 × 1,328,672.40
  4. Step 4: Simplify right side
    3,126,386.40x = 6,230,914,982,123.04
  5. Step 5: Solve for x
    x = 6,230,914,982,123.04/3,126,386.40
  6. Step 6: Final answer
    x = 1,993,008.60

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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.