Home / 1,647,835.53-2,470,194.45-1,242,398.13

Finding the Fourth Proportional to 1,647,835.53, 2,470,194.45 and 1,242,398.13

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Solution

The fourth proportional to 1,647,835.53, 2,470,194.45 and 1,242,398.13 is: 1,862,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,835.53 : 2,470,194.45 = 1,242,398.13 : x
  2. Step 2: Convert to fraction form
    1,647,835.53/2,470,194.45 = 1,242,398.13/x
  3. Step 3: Cross multiply
    1,647,835.53x = 2,470,194.45 × 1,242,398.13
  4. Step 4: Simplify right side
    1,647,835.53x = 3,068,964,965,416.38
  5. Step 5: Solve for x
    x = 3,068,964,965,416.38/1,647,835.53
  6. Step 6: Final answer
    x = 1,862,421.89

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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.