Home / 5,152,072.80-7,728,135.84-3,020,662.20

Finding the Fourth Proportional to 5,152,072.80, 7,728,135.84 and 3,020,662.20

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Solution

The fourth proportional to 5,152,072.80, 7,728,135.84 and 3,020,662.20 is: 4,531,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,072.80 : 7,728,135.84 = 3,020,662.20 : x
  2. Step 2: Convert to fraction form
    5,152,072.80/7,728,135.84 = 3,020,662.20/x
  3. Step 3: Cross multiply
    5,152,072.80x = 7,728,135.84 × 3,020,662.20
  4. Step 4: Simplify right side
    5,152,072.80x = 23,344,087,808,353.25
  5. Step 5: Solve for x
    x = 23,344,087,808,353.25/5,152,072.80
  6. Step 6: Final answer
    x = 4,531,008.92

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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.