Home / 2,777,775.76-4,158,362.12-1,680,239.11

Finding the Fourth Proportional to 2,777,775.76, 4,158,362.12 and 1,680,239.11

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Solution

The fourth proportional to 2,777,775.76, 4,158,362.12 and 1,680,239.11 is: 2,515,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,775.76 : 4,158,362.12 = 1,680,239.11 : x
  2. Step 2: Convert to fraction form
    2,777,775.76/4,158,362.12 = 1,680,239.11/x
  3. Step 3: Cross multiply
    2,777,775.76x = 4,158,362.12 × 1,680,239.11
  4. Step 4: Simplify right side
    2,777,775.76x = 6,987,042,666,017.69
  5. Step 5: Solve for x
    x = 6,987,042,666,017.69/2,777,775.76
  6. Step 6: Final answer
    x = 2,515,337.19

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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.