Home / 1,992,147.95-2,748,886.85-1,132,613.21

Finding the Fourth Proportional to 1,992,147.95, 2,748,886.85 and 1,132,613.21

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Solution

The fourth proportional to 1,992,147.95, 2,748,886.85 and 1,132,613.21 is: 1,562,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,147.95 : 2,748,886.85 = 1,132,613.21 : x
  2. Step 2: Convert to fraction form
    1,992,147.95/2,748,886.85 = 1,132,613.21/x
  3. Step 3: Cross multiply
    1,992,147.95x = 2,748,886.85 × 1,132,613.21
  4. Step 4: Simplify right side
    1,992,147.95x = 3,113,425,539,697.79
  5. Step 5: Solve for x
    x = 3,113,425,539,697.79/1,992,147.95
  6. Step 6: Final answer
    x = 1,562,848.56

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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.