Home / 3,118,032.20-4,677,179.52-988,200.38

Finding the Fourth Proportional to 3,118,032.20, 4,677,179.52 and 988,200.38

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Solution

The fourth proportional to 3,118,032.20, 4,677,179.52 and 988,200.38 is: 1,482,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,032.20 : 4,677,179.52 = 988,200.38 : x
  2. Step 2: Convert to fraction form
    3,118,032.20/4,677,179.52 = 988,200.38/x
  3. Step 3: Cross multiply
    3,118,032.20x = 4,677,179.52 × 988,200.38
  4. Step 4: Simplify right side
    3,118,032.20x = 4,621,990,578,992.22
  5. Step 5: Solve for x
    x = 4,621,990,578,992.22/3,118,032.20
  6. Step 6: Final answer
    x = 1,482,342.16

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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.