Home / 3,982,638.80-5,973,958.20-1,323,246.80

Finding the Fourth Proportional to 3,982,638.80, 5,973,958.20 and 1,323,246.80

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Solution

The fourth proportional to 3,982,638.80, 5,973,958.20 and 1,323,246.80 is: 1,984,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982,638.80 : 5,973,958.20 = 1,323,246.80 : x
  2. Step 2: Convert to fraction form
    3,982,638.80/5,973,958.20 = 1,323,246.80/x
  3. Step 3: Cross multiply
    3,982,638.80x = 5,973,958.20 × 1,323,246.80
  4. Step 4: Simplify right side
    3,982,638.80x = 7,905,021,071,483.76
  5. Step 5: Solve for x
    x = 7,905,021,071,483.76/3,982,638.80
  6. Step 6: Final answer
    x = 1,984,870.20

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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.