Home / 2,895,851.90-4,345,851.45-1,214,162.30

Finding the Fourth Proportional to 2,895,851.90, 4,345,851.45 and 1,214,162.30

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Solution

The fourth proportional to 2,895,851.90, 4,345,851.45 and 1,214,162.30 is: 1,822,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895,851.90 : 4,345,851.45 = 1,214,162.30 : x
  2. Step 2: Convert to fraction form
    2,895,851.90/4,345,851.45 = 1,214,162.30/x
  3. Step 3: Cross multiply
    2,895,851.90x = 4,345,851.45 × 1,214,162.30
  4. Step 4: Simplify right side
    2,895,851.90x = 5,276,568,991,990.34
  5. Step 5: Solve for x
    x = 5,276,568,991,990.34/2,895,851.90
  6. Step 6: Final answer
    x = 1,822,112.86

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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.