Home / 3,178,195.40-4,767,293.10-2,829,830.60

Finding the Fourth Proportional to 3,178,195.40, 4,767,293.10 and 2,829,830.60

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Solution

The fourth proportional to 3,178,195.40, 4,767,293.10 and 2,829,830.60 is: 4,244,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,195.40 : 4,767,293.10 = 2,829,830.60 : x
  2. Step 2: Convert to fraction form
    3,178,195.40/4,767,293.10 = 2,829,830.60/x
  3. Step 3: Cross multiply
    3,178,195.40x = 4,767,293.10 × 2,829,830.60
  4. Step 4: Simplify right side
    3,178,195.40x = 13,490,631,893,548.86
  5. Step 5: Solve for x
    x = 13,490,631,893,548.86/3,178,195.40
  6. Step 6: Final answer
    x = 4,244,745.90

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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.