Home / 5,247,328.80-7,874,492.40-2,405,978.40

Finding the Fourth Proportional to 5,247,328.80, 7,874,492.40 and 2,405,978.40

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Solution

The fourth proportional to 5,247,328.80, 7,874,492.40 and 2,405,978.40 is: 3,610,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,328.80 : 7,874,492.40 = 2,405,978.40 : x
  2. Step 2: Convert to fraction form
    5,247,328.80/7,874,492.40 = 2,405,978.40/x
  3. Step 3: Cross multiply
    5,247,328.80x = 7,874,492.40 × 2,405,978.40
  4. Step 4: Simplify right side
    5,247,328.80x = 18,945,858,625,364.16
  5. Step 5: Solve for x
    x = 18,945,858,625,364.16/5,247,328.80
  6. Step 6: Final answer
    x = 3,610,572.04

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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.