Home / 4,687,739.80-7,031,609.70-1,321,946.80

Finding the Fourth Proportional to 4,687,739.80, 7,031,609.70 and 1,321,946.80

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Solution

The fourth proportional to 4,687,739.80, 7,031,609.70 and 1,321,946.80 is: 1,982,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687,739.80 : 7,031,609.70 = 1,321,946.80 : x
  2. Step 2: Convert to fraction form
    4,687,739.80/7,031,609.70 = 1,321,946.80/x
  3. Step 3: Cross multiply
    4,687,739.80x = 7,031,609.70 × 1,321,946.80
  4. Step 4: Simplify right side
    4,687,739.80x = 9,295,413,941,763.96
  5. Step 5: Solve for x
    x = 9,295,413,941,763.96/4,687,739.80
  6. Step 6: Final answer
    x = 1,982,920.20

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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.