Home / 2,921,172.69-4,031,144.04-1,632,022.76

Finding the Fourth Proportional to 2,921,172.69, 4,031,144.04 and 1,632,022.76

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Solution

The fourth proportional to 2,921,172.69, 4,031,144.04 and 1,632,022.76 is: 2,252,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,172.69 : 4,031,144.04 = 1,632,022.76 : x
  2. Step 2: Convert to fraction form
    2,921,172.69/4,031,144.04 = 1,632,022.76/x
  3. Step 3: Cross multiply
    2,921,172.69x = 4,031,144.04 × 1,632,022.76
  4. Step 4: Simplify right side
    2,921,172.69x = 6,578,918,801,962.63
  5. Step 5: Solve for x
    x = 6,578,918,801,962.63/2,921,172.69
  6. Step 6: Final answer
    x = 2,252,149.91

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1.5x scale

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.