Home / 2,805,178.08-4,206,522.96-1,740,177.12

Finding the Fourth Proportional to 2,805,178.08, 4,206,522.96 and 1,740,177.12

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Solution

The fourth proportional to 2,805,178.08, 4,206,522.96 and 1,740,177.12 is: 2,609,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,178.08 : 4,206,522.96 = 1,740,177.12 : x
  2. Step 2: Convert to fraction form
    2,805,178.08/4,206,522.96 = 1,740,177.12/x
  3. Step 3: Cross multiply
    2,805,178.08x = 4,206,522.96 × 1,740,177.12
  4. Step 4: Simplify right side
    2,805,178.08x = 7,320,095,009,746.68
  5. Step 5: Solve for x
    x = 7,320,095,009,746.68/2,805,178.08
  6. Step 6: Final answer
    x = 2,609,493.87

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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.