Home / 2,986,291.20-4,479,436.80-1,773,818.40

Finding the Fourth Proportional to 2,986,291.20, 4,479,436.80 and 1,773,818.40

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Solution

The fourth proportional to 2,986,291.20, 4,479,436.80 and 1,773,818.40 is: 2,660,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,291.20 : 4,479,436.80 = 1,773,818.40 : x
  2. Step 2: Convert to fraction form
    2,986,291.20/4,479,436.80 = 1,773,818.40/x
  3. Step 3: Cross multiply
    2,986,291.20x = 4,479,436.80 × 1,773,818.40
  4. Step 4: Simplify right side
    2,986,291.20x = 7,945,707,417,477.12
  5. Step 5: Solve for x
    x = 7,945,707,417,477.12/2,986,291.20
  6. Step 6: Final answer
    x = 2,660,727.60

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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.