Home / 2,749,685.40-4,125,111.30-830,665.80

Finding the Fourth Proportional to 2,749,685.40, 4,125,111.30 and 830,665.80

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Solution

The fourth proportional to 2,749,685.40, 4,125,111.30 and 830,665.80 is: 1,246,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,685.40 : 4,125,111.30 = 830,665.80 : x
  2. Step 2: Convert to fraction form
    2,749,685.40/4,125,111.30 = 830,665.80/x
  3. Step 3: Cross multiply
    2,749,685.40x = 4,125,111.30 × 830,665.80
  4. Step 4: Simplify right side
    2,749,685.40x = 3,426,588,878,103.54
  5. Step 5: Solve for x
    x = 3,426,588,878,103.54/2,749,685.40
  6. Step 6: Final answer
    x = 1,246,174.88

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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.