Home / 5,389,986.40-8,073,169.80-4,791,623.20

Finding the Fourth Proportional to 5,389,986.40, 8,073,169.80 and 4,791,623.20

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Solution

The fourth proportional to 5,389,986.40, 8,073,169.80 and 4,791,623.20 is: 7,176,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,986.40 : 8,073,169.80 = 4,791,623.20 : x
  2. Step 2: Convert to fraction form
    5,389,986.40/8,073,169.80 = 4,791,623.20/x
  3. Step 3: Cross multiply
    5,389,986.40x = 8,073,169.80 × 4,791,623.20
  4. Step 4: Simplify right side
    5,389,986.40x = 38,683,587,711,219.36
  5. Step 5: Solve for x
    x = 38,683,587,711,219.36/5,389,986.40
  6. Step 6: Final answer
    x = 7,176,936.05

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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.