Home / 3,197,505.84-4,799,580.84-2,139,938.16

Finding the Fourth Proportional to 3,197,505.84, 4,799,580.84 and 2,139,938.16

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Solution

The fourth proportional to 3,197,505.84, 4,799,580.84 and 2,139,938.16 is: 3,212,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197,505.84 : 4,799,580.84 = 2,139,938.16 : x
  2. Step 2: Convert to fraction form
    3,197,505.84/4,799,580.84 = 2,139,938.16/x
  3. Step 3: Cross multiply
    3,197,505.84x = 4,799,580.84 × 2,139,938.16
  4. Step 4: Simplify right side
    3,197,505.84x = 10,270,806,191,520.86
  5. Step 5: Solve for x
    x = 10,270,806,191,520.86/3,197,505.84
  6. Step 6: Final answer
    x = 3,212,130.55

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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.