Home / 5,160,673.52-7,740,105.10-1,965,991.40

Finding the Fourth Proportional to 5,160,673.52, 7,740,105.10 and 1,965,991.40

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Solution

The fourth proportional to 5,160,673.52, 7,740,105.10 and 1,965,991.40 is: 2,948,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,673.52 : 7,740,105.10 = 1,965,991.40 : x
  2. Step 2: Convert to fraction form
    5,160,673.52/7,740,105.10 = 1,965,991.40/x
  3. Step 3: Cross multiply
    5,160,673.52x = 7,740,105.10 × 1,965,991.40
  4. Step 4: Simplify right side
    5,160,673.52x = 15,216,980,061,696.14
  5. Step 5: Solve for x
    x = 15,216,980,061,696.14/5,160,673.52
  6. Step 6: Final answer
    x = 2,948,642.27

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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.