Home / 3,119,187.60-4,679,227.72-960,395.40

Finding the Fourth Proportional to 3,119,187.60, 4,679,227.72 and 960,395.40

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Solution

The fourth proportional to 3,119,187.60, 4,679,227.72 and 960,395.40 is: 1,440,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,187.60 : 4,679,227.72 = 960,395.40 : x
  2. Step 2: Convert to fraction form
    3,119,187.60/4,679,227.72 = 960,395.40/x
  3. Step 3: Cross multiply
    3,119,187.60x = 4,679,227.72 × 960,395.40
  4. Step 4: Simplify right side
    3,119,187.60x = 4,493,908,777,840.49
  5. Step 5: Solve for x
    x = 4,493,908,777,840.49/3,119,187.60
  6. Step 6: Final answer
    x = 1,440,730.52

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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.