Home / 5,692,147.80-7,855,140.48-3,078,654.78

Finding the Fourth Proportional to 5,692,147.80, 7,855,140.48 and 3,078,654.78

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Solution

The fourth proportional to 5,692,147.80, 7,855,140.48 and 3,078,654.78 is: 4,248,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692,147.80 : 7,855,140.48 = 3,078,654.78 : x
  2. Step 2: Convert to fraction form
    5,692,147.80/7,855,140.48 = 3,078,654.78/x
  3. Step 3: Cross multiply
    5,692,147.80x = 7,855,140.48 × 3,078,654.78
  4. Step 4: Simplify right side
    5,692,147.80x = 24,183,265,786,323.50
  5. Step 5: Solve for x
    x = 24,183,265,786,323.50/5,692,147.80
  6. Step 6: Final answer
    x = 4,248,530.89

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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.