Home / 5,148,130.86-7,104,421.49-2,856,286.08

Finding the Fourth Proportional to 5,148,130.86, 7,104,421.49 and 2,856,286.08

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Solution

The fourth proportional to 5,148,130.86, 7,104,421.49 and 2,856,286.08 is: 3,941,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,130.86 : 7,104,421.49 = 2,856,286.08 : x
  2. Step 2: Convert to fraction form
    5,148,130.86/7,104,421.49 = 2,856,286.08/x
  3. Step 3: Cross multiply
    5,148,130.86x = 7,104,421.49 × 2,856,286.08
  4. Step 4: Simplify right side
    5,148,130.86x = 20,292,260,194,058.43
  5. Step 5: Solve for x
    x = 20,292,260,194,058.43/5,148,130.86
  6. Step 6: Final answer
    x = 3,941,675.29

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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.