Home / 5,425,823.79-8,128,094.65-3,146,559.75

Finding the Fourth Proportional to 5,425,823.79, 8,128,094.65 and 3,146,559.75

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Solution

The fourth proportional to 5,425,823.79, 8,128,094.65 and 3,146,559.75 is: 4,713,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,823.79 : 8,128,094.65 = 3,146,559.75 : x
  2. Step 2: Convert to fraction form
    5,425,823.79/8,128,094.65 = 3,146,559.75/x
  3. Step 3: Cross multiply
    5,425,823.79x = 8,128,094.65 × 3,146,559.75
  4. Step 4: Simplify right side
    5,425,823.79x = 25,575,535,462,013.94
  5. Step 5: Solve for x
    x = 25,575,535,462,013.94/5,425,823.79
  6. Step 6: Final answer
    x = 4,713,668.64

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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.