Home / 2,679,985.31-3,698,079.51-1,518,182.69

Finding the Fourth Proportional to 2,679,985.31, 3,698,079.51 and 1,518,182.69

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Solution

The fourth proportional to 2,679,985.31, 3,698,079.51 and 1,518,182.69 is: 2,094,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,985.31 : 3,698,079.51 = 1,518,182.69 : x
  2. Step 2: Convert to fraction form
    2,679,985.31/3,698,079.51 = 1,518,182.69/x
  3. Step 3: Cross multiply
    2,679,985.31x = 3,698,079.51 × 1,518,182.69
  4. Step 4: Simplify right side
    2,679,985.31x = 5,614,360,298,325.68
  5. Step 5: Solve for x
    x = 5,614,360,298,325.68/2,679,985.31
  6. Step 6: Final answer
    x = 2,094,922.04

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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.