Home / 3,005,382.52-4,146,124.62-1,988,203.96

Finding the Fourth Proportional to 3,005,382.52, 4,146,124.62 and 1,988,203.96

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Solution

The fourth proportional to 3,005,382.52, 4,146,124.62 and 1,988,203.96 is: 2,742,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,382.52 : 4,146,124.62 = 1,988,203.96 : x
  2. Step 2: Convert to fraction form
    3,005,382.52/4,146,124.62 = 1,988,203.96/x
  3. Step 3: Cross multiply
    3,005,382.52x = 4,146,124.62 × 1,988,203.96
  4. Step 4: Simplify right side
    3,005,382.52x = 8,243,341,388,137.50
  5. Step 5: Solve for x
    x = 8,243,341,388,137.50/3,005,382.52
  6. Step 6: Final answer
    x = 2,742,859.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.