Home / 3,870,348.48-5,340,435.30-2,151,235.26

Finding the Fourth Proportional to 3,870,348.48, 5,340,435.30 and 2,151,235.26

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Solution

The fourth proportional to 3,870,348.48, 5,340,435.30 and 2,151,235.26 is: 2,968,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,348.48 : 5,340,435.30 = 2,151,235.26 : x
  2. Step 2: Convert to fraction form
    3,870,348.48/5,340,435.30 = 2,151,235.26/x
  3. Step 3: Cross multiply
    3,870,348.48x = 5,340,435.30 × 2,151,235.26
  4. Step 4: Simplify right side
    3,870,348.48x = 11,488,532,721,108.68
  5. Step 5: Solve for x
    x = 11,488,532,721,108.68/3,870,348.48
  6. Step 6: Final answer
    x = 2,968,345.82

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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.