Home / 1,646,645.40-2,469,968.10-1,226,741.40

Finding the Fourth Proportional to 1,646,645.40, 2,469,968.10 and 1,226,741.40

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Solution

The fourth proportional to 1,646,645.40, 2,469,968.10 and 1,226,741.40 is: 1,840,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,645.40 : 2,469,968.10 = 1,226,741.40 : x
  2. Step 2: Convert to fraction form
    1,646,645.40/2,469,968.10 = 1,226,741.40/x
  3. Step 3: Cross multiply
    1,646,645.40x = 2,469,968.10 × 1,226,741.40
  4. Step 4: Simplify right side
    1,646,645.40x = 3,030,012,124,949.34
  5. Step 5: Solve for x
    x = 3,030,012,124,949.34/1,646,645.40
  6. Step 6: Final answer
    x = 1,840,112.10

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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.