Home / 1,834,728.10-2,743,234.80-1,356,431.20

Finding the Fourth Proportional to 1,834,728.10, 2,743,234.80 and 1,356,431.20

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Solution

The fourth proportional to 1,834,728.10, 2,743,234.80 and 1,356,431.20 is: 2,028,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,728.10 : 2,743,234.80 = 1,356,431.20 : x
  2. Step 2: Convert to fraction form
    1,834,728.10/2,743,234.80 = 1,356,431.20/x
  3. Step 3: Cross multiply
    1,834,728.10x = 2,743,234.80 × 1,356,431.20
  4. Step 4: Simplify right side
    1,834,728.10x = 3,721,009,271,645.76
  5. Step 5: Solve for x
    x = 3,721,009,271,645.76/1,834,728.10
  6. Step 6: Final answer
    x = 2,028,098.48

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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.