Home / 5,389,362.40-8,072,233.80-4,790,999.20

Finding the Fourth Proportional to 5,389,362.40, 8,072,233.80 and 4,790,999.20

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Solution

The fourth proportional to 5,389,362.40, 8,072,233.80 and 4,790,999.20 is: 7,176,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,362.40 : 8,072,233.80 = 4,790,999.20 : x
  2. Step 2: Convert to fraction form
    5,389,362.40/8,072,233.80 = 4,790,999.20/x
  3. Step 3: Cross multiply
    5,389,362.40x = 8,072,233.80 × 4,790,999.20
  4. Step 4: Simplify right side
    5,389,362.40x = 38,674,065,678,012.96
  5. Step 5: Solve for x
    x = 38,674,065,678,012.96/5,389,362.40
  6. Step 6: Final answer
    x = 7,176,000.20

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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.