Home / 2,239,418.34-3,090,398.22-1,272,549.60

Finding the Fourth Proportional to 2,239,418.34, 3,090,398.22 and 1,272,549.60

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Solution

The fourth proportional to 2,239,418.34, 3,090,398.22 and 1,272,549.60 is: 1,756,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,418.34 : 3,090,398.22 = 1,272,549.60 : x
  2. Step 2: Convert to fraction form
    2,239,418.34/3,090,398.22 = 1,272,549.60/x
  3. Step 3: Cross multiply
    2,239,418.34x = 3,090,398.22 × 1,272,549.60
  4. Step 4: Simplify right side
    2,239,418.34x = 3,932,685,018,701.71
  5. Step 5: Solve for x
    x = 3,932,685,018,701.71/2,239,418.34
  6. Step 6: Final answer
    x = 1,756,118.97

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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.