Home / 3,979,264.50-5,492,270.70-2,528,676.54

Finding the Fourth Proportional to 3,979,264.50, 5,492,270.70 and 2,528,676.54

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Solution

The fourth proportional to 3,979,264.50, 5,492,270.70 and 2,528,676.54 is: 3,490,136.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,264.50 : 5,492,270.70 = 2,528,676.54 : x
  2. Step 2: Convert to fraction form
    3,979,264.50/5,492,270.70 = 2,528,676.54/x
  3. Step 3: Cross multiply
    3,979,264.50x = 5,492,270.70 × 2,528,676.54
  4. Step 4: Simplify right side
    3,979,264.50x = 13,888,176,070,419.38
  5. Step 5: Solve for x
    x = 13,888,176,070,419.38/3,979,264.50
  6. Step 6: Final answer
    x = 3,490,136.45

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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.