Home / 3,120,198.60-4,670,966.70-2,935,648.20

Finding the Fourth Proportional to 3,120,198.60, 4,670,966.70 and 2,935,648.20

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Solution

The fourth proportional to 3,120,198.60, 4,670,966.70 and 2,935,648.20 is: 4,394,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,198.60 : 4,670,966.70 = 2,935,648.20 : x
  2. Step 2: Convert to fraction form
    3,120,198.60/4,670,966.70 = 2,935,648.20/x
  3. Step 3: Cross multiply
    3,120,198.60x = 4,670,966.70 × 2,935,648.20
  4. Step 4: Simplify right side
    3,120,198.60x = 13,712,314,985,114.94
  5. Step 5: Solve for x
    x = 13,712,314,985,114.94/3,120,198.60
  6. Step 6: Final answer
    x = 4,394,693.01

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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.