Home / 2,471,785.20-3,707,677.80-788,943.60

Finding the Fourth Proportional to 2,471,785.20, 3,707,677.80 and 788,943.60

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Solution

The fourth proportional to 2,471,785.20, 3,707,677.80 and 788,943.60 is: 1,183,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471,785.20 : 3,707,677.80 = 788,943.60 : x
  2. Step 2: Convert to fraction form
    2,471,785.20/3,707,677.80 = 788,943.60/x
  3. Step 3: Cross multiply
    2,471,785.20x = 3,707,677.80 × 788,943.60
  4. Step 4: Simplify right side
    2,471,785.20x = 2,925,148,671,172.08
  5. Step 5: Solve for x
    x = 2,925,148,671,172.08/2,471,785.20
  6. Step 6: Final answer
    x = 1,183,415.40

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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.