Home / 5,271,467.65-7,274,642.40-2,948,400

Finding the Fourth Proportional to 5,271,467.65, 7,274,642.40 and 2,948,400

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Solution

The fourth proportional to 5,271,467.65, 7,274,642.40 and 2,948,400 is: 4,068,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,467.65 : 7,274,642.40 = 2,948,400 : x
  2. Step 2: Convert to fraction form
    5,271,467.65/7,274,642.40 = 2,948,400/x
  3. Step 3: Cross multiply
    5,271,467.65x = 7,274,642.40 × 2,948,400
  4. Step 4: Simplify right side
    5,271,467.65x = 21,448,555,652,160
  5. Step 5: Solve for x
    x = 21,448,555,652,160/5,271,467.65
  6. Step 6: Final answer
    x = 4,068,801.53

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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.