Home / 2,077,309.80-3,115,527.30-879,271.20

Finding the Fourth Proportional to 2,077,309.80, 3,115,527.30 and 879,271.20

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Solution

The fourth proportional to 2,077,309.80, 3,115,527.30 and 879,271.20 is: 1,318,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,309.80 : 3,115,527.30 = 879,271.20 : x
  2. Step 2: Convert to fraction form
    2,077,309.80/3,115,527.30 = 879,271.20/x
  3. Step 3: Cross multiply
    2,077,309.80x = 3,115,527.30 × 879,271.20
  4. Step 4: Simplify right side
    2,077,309.80x = 2,739,393,427,703.76
  5. Step 5: Solve for x
    x = 2,739,393,427,703.76/2,077,309.80
  6. Step 6: Final answer
    x = 1,318,721.66

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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.