Home / 2,749,678.40-4,125,100.80-830,658.80

Finding the Fourth Proportional to 2,749,678.40, 4,125,100.80 and 830,658.80

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Solution

The fourth proportional to 2,749,678.40, 4,125,100.80 and 830,658.80 is: 1,246,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,678.40 : 4,125,100.80 = 830,658.80 : x
  2. Step 2: Convert to fraction form
    2,749,678.40/4,125,100.80 = 830,658.80/x
  3. Step 3: Cross multiply
    2,749,678.40x = 4,125,100.80 × 830,658.80
  4. Step 4: Simplify right side
    2,749,678.40x = 3,426,551,280,407.04
  5. Step 5: Solve for x
    x = 3,426,551,280,407.04/2,749,678.40
  6. Step 6: Final answer
    x = 1,246,164.38

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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.