Home / 1,615,600.22-2,229,541.86-890,449.79

Finding the Fourth Proportional to 1,615,600.22, 2,229,541.86 and 890,449.79

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Solution

The fourth proportional to 1,615,600.22, 2,229,541.86 and 890,449.79 is: 1,228,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,600.22 : 2,229,541.86 = 890,449.79 : x
  2. Step 2: Convert to fraction form
    1,615,600.22/2,229,541.86 = 890,449.79/x
  3. Step 3: Cross multiply
    1,615,600.22x = 2,229,541.86 × 890,449.79
  4. Step 4: Simplify right side
    1,615,600.22x = 1,985,295,069,885.50
  5. Step 5: Solve for x
    x = 1,985,295,069,885.50/1,615,600.22
  6. Step 6: Final answer
    x = 1,228,828.18

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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.