Home / 5,385,412.88-7,431,890.64-2,938,078.88

Finding the Fourth Proportional to 5,385,412.88, 7,431,890.64 and 2,938,078.88

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Solution

The fourth proportional to 5,385,412.88, 7,431,890.64 and 2,938,078.88 is: 4,054,560.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,412.88 : 7,431,890.64 = 2,938,078.88 : x
  2. Step 2: Convert to fraction form
    5,385,412.88/7,431,890.64 = 2,938,078.88/x
  3. Step 3: Cross multiply
    5,385,412.88x = 7,431,890.64 × 2,938,078.88
  4. Step 4: Simplify right side
    5,385,412.88x = 21,835,480,927,853.68
  5. Step 5: Solve for x
    x = 21,835,480,927,853.68/5,385,412.88
  6. Step 6: Final answer
    x = 4,054,560.24

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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.