Home / 1,691,410.28-2,331,888.20-1,343,704.35

Finding the Fourth Proportional to 1,691,410.28, 2,331,888.20 and 1,343,704.35

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Solution

The fourth proportional to 1,691,410.28, 2,331,888.20 and 1,343,704.35 is: 1,852,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,410.28 : 2,331,888.20 = 1,343,704.35 : x
  2. Step 2: Convert to fraction form
    1,691,410.28/2,331,888.20 = 1,343,704.35/x
  3. Step 3: Cross multiply
    1,691,410.28x = 2,331,888.20 × 1,343,704.35
  4. Step 4: Simplify right side
    1,691,410.28x = 3,133,368,325,118.62
  5. Step 5: Solve for x
    x = 3,133,368,325,118.62/1,691,410.28
  6. Step 6: Final answer
    x = 1,852,518.20

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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.