Home / 2,079,011.80-3,118,517.70-942,318.55

Finding the Fourth Proportional to 2,079,011.80, 3,118,517.70 and 942,318.55

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Solution

The fourth proportional to 2,079,011.80, 3,118,517.70 and 942,318.55 is: 1,413,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,011.80 : 3,118,517.70 = 942,318.55 : x
  2. Step 2: Convert to fraction form
    2,079,011.80/3,118,517.70 = 942,318.55/x
  3. Step 3: Cross multiply
    2,079,011.80x = 3,118,517.70 × 942,318.55
  4. Step 4: Simplify right side
    2,079,011.80x = 2,938,637,077,213.34
  5. Step 5: Solve for x
    x = 2,938,637,077,213.34/2,079,011.80
  6. Step 6: Final answer
    x = 1,413,477.83

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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.