Home / 2,952,916.80-4,429,375.20-2,663,649.60

Finding the Fourth Proportional to 2,952,916.80, 4,429,375.20 and 2,663,649.60

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Solution

The fourth proportional to 2,952,916.80, 4,429,375.20 and 2,663,649.60 is: 3,995,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,916.80 : 4,429,375.20 = 2,663,649.60 : x
  2. Step 2: Convert to fraction form
    2,952,916.80/4,429,375.20 = 2,663,649.60/x
  3. Step 3: Cross multiply
    2,952,916.80x = 4,429,375.20 × 2,663,649.60
  4. Step 4: Simplify right side
    2,952,916.80x = 11,798,303,479,729.92
  5. Step 5: Solve for x
    x = 11,798,303,479,729.92/2,952,916.80
  6. Step 6: Final answer
    x = 3,995,474.40

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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.