Home / 5,620,928-7,757,931.48-3,206,480

Finding the Fourth Proportional to 5,620,928, 7,757,931.48 and 3,206,480

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Solution

The fourth proportional to 5,620,928, 7,757,931.48 and 3,206,480 is: 4,425,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620,928 : 7,757,931.48 = 3,206,480 : x
  2. Step 2: Convert to fraction form
    5,620,928/7,757,931.48 = 3,206,480/x
  3. Step 3: Cross multiply
    5,620,928x = 7,757,931.48 × 3,206,480
  4. Step 4: Simplify right side
    5,620,928x = 24,875,652,131,990.40
  5. Step 5: Solve for x
    x = 24,875,652,131,990.40/5,620,928
  6. Step 6: Final answer
    x = 4,425,541.86

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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.