Home / 4,200,126.40-6,290,858.40-3,453,630.40

Finding the Fourth Proportional to 4,200,126.40, 6,290,858.40 and 3,453,630.40

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Solution

The fourth proportional to 4,200,126.40, 6,290,858.40 and 3,453,630.40 is: 5,172,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,126.40 : 6,290,858.40 = 3,453,630.40 : x
  2. Step 2: Convert to fraction form
    4,200,126.40/6,290,858.40 = 3,453,630.40/x
  3. Step 3: Cross multiply
    4,200,126.40x = 6,290,858.40 × 3,453,630.40
  4. Step 4: Simplify right side
    4,200,126.40x = 21,726,299,812,335.36
  5. Step 5: Solve for x
    x = 21,726,299,812,335.36/4,200,126.40
  6. Step 6: Final answer
    x = 5,172,772.85

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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.