Home / 6,904,172.30-10,353,256.80-1,979,119.33

Finding the Fourth Proportional to 6,904,172.30, 10,353,256.80 and 1,979,119.33

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Solution

The fourth proportional to 6,904,172.30, 10,353,256.80 and 1,979,119.33 is: 2,967,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904,172.30 : 10,353,256.80 = 1,979,119.33 : x
  2. Step 2: Convert to fraction form
    6,904,172.30/10,353,256.80 = 1,979,119.33/x
  3. Step 3: Cross multiply
    6,904,172.30x = 10,353,256.80 × 1,979,119.33
  4. Step 4: Simplify right side
    6,904,172.30x = 20,490,330,661,333.95
  5. Step 5: Solve for x
    x = 20,490,330,661,333.95/6,904,172.30
  6. Step 6: Final answer
    x = 2,967,818.56

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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.