Home / 2,934,556.32-4,049,636.40-1,645,392.72

Finding the Fourth Proportional to 2,934,556.32, 4,049,636.40 and 1,645,392.72

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Solution

The fourth proportional to 2,934,556.32, 4,049,636.40 and 1,645,392.72 is: 2,270,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,556.32 : 4,049,636.40 = 1,645,392.72 : x
  2. Step 2: Convert to fraction form
    2,934,556.32/4,049,636.40 = 1,645,392.72/x
  3. Step 3: Cross multiply
    2,934,556.32x = 4,049,636.40 × 1,645,392.72
  4. Step 4: Simplify right side
    2,934,556.32x = 6,663,242,251,207.01
  5. Step 5: Solve for x
    x = 6,663,242,251,207.01/2,934,556.32
  6. Step 6: Final answer
    x = 2,270,613.18

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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.