Home / 3,927,971.85-5,420,548.95-2,209,092.30

Finding the Fourth Proportional to 3,927,971.85, 5,420,548.95 and 2,209,092.30

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Solution

The fourth proportional to 3,927,971.85, 5,420,548.95 and 2,209,092.30 is: 3,048,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,971.85 : 5,420,548.95 = 2,209,092.30 : x
  2. Step 2: Convert to fraction form
    3,927,971.85/5,420,548.95 = 2,209,092.30/x
  3. Step 3: Cross multiply
    3,927,971.85x = 5,420,548.95 × 2,209,092.30
  4. Step 4: Simplify right side
    3,927,971.85x = 11,974,492,947,218.08
  5. Step 5: Solve for x
    x = 11,974,492,947,218.08/3,927,971.85
  6. Step 6: Final answer
    x = 3,048,518.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.