Home / 1,469,302.80-2,201,621.40-1,091,389.20

Finding the Fourth Proportional to 1,469,302.80, 2,201,621.40 and 1,091,389.20

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Solution

The fourth proportional to 1,469,302.80, 2,201,621.40 and 1,091,389.20 is: 1,635,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,302.80 : 2,201,621.40 = 1,091,389.20 : x
  2. Step 2: Convert to fraction form
    1,469,302.80/2,201,621.40 = 1,091,389.20/x
  3. Step 3: Cross multiply
    1,469,302.80x = 2,201,621.40 × 1,091,389.20
  4. Step 4: Simplify right side
    1,469,302.80x = 2,402,825,818,448.88
  5. Step 5: Solve for x
    x = 2,402,825,818,448.88/1,469,302.80
  6. Step 6: Final answer
    x = 1,635,351.01

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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.