Home / 2,935,638.80-4,403,458.20-1,252,912.40

Finding the Fourth Proportional to 2,935,638.80, 4,403,458.20 and 1,252,912.40

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Solution

The fourth proportional to 2,935,638.80, 4,403,458.20 and 1,252,912.40 is: 1,879,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935,638.80 : 4,403,458.20 = 1,252,912.40 : x
  2. Step 2: Convert to fraction form
    2,935,638.80/4,403,458.20 = 1,252,912.40/x
  3. Step 3: Cross multiply
    2,935,638.80x = 4,403,458.20 × 1,252,912.40
  4. Step 4: Simplify right side
    2,935,638.80x = 5,517,147,381,661.68
  5. Step 5: Solve for x
    x = 5,517,147,381,661.68/2,935,638.80
  6. Step 6: Final answer
    x = 1,879,368.60

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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.