Home / 1,301,933.70-1,952,900.55-1,091,981.70

Finding the Fourth Proportional to 1,301,933.70, 1,952,900.55 and 1,091,981.70

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Solution

The fourth proportional to 1,301,933.70, 1,952,900.55 and 1,091,981.70 is: 1,637,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,933.70 : 1,952,900.55 = 1,091,981.70 : x
  2. Step 2: Convert to fraction form
    1,301,933.70/1,952,900.55 = 1,091,981.70/x
  3. Step 3: Cross multiply
    1,301,933.70x = 1,952,900.55 × 1,091,981.70
  4. Step 4: Simplify right side
    1,301,933.70x = 2,132,531,662,519.94
  5. Step 5: Solve for x
    x = 2,132,531,662,519.94/1,301,933.70
  6. Step 6: Final answer
    x = 1,637,972.55

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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.