Home / 4,895,120.40-7,328,165.40-3,638,518.80

Finding the Fourth Proportional to 4,895,120.40, 7,328,165.40 and 3,638,518.80

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Solution

The fourth proportional to 4,895,120.40, 7,328,165.40 and 3,638,518.80 is: 5,446,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895,120.40 : 7,328,165.40 = 3,638,518.80 : x
  2. Step 2: Convert to fraction form
    4,895,120.40/7,328,165.40 = 3,638,518.80/x
  3. Step 3: Cross multiply
    4,895,120.40x = 7,328,165.40 × 3,638,518.80
  4. Step 4: Simplify right side
    4,895,120.40x = 26,663,667,577,409.52
  5. Step 5: Solve for x
    x = 26,663,667,577,409.52/4,895,120.40
  6. Step 6: Final answer
    x = 5,446,989.12

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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.