Home / 3,419,816.76-4,719,486.06-1,891,897.56

Finding the Fourth Proportional to 3,419,816.76, 4,719,486.06 and 1,891,897.56

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Solution

The fourth proportional to 3,419,816.76, 4,719,486.06 and 1,891,897.56 is: 2,610,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,816.76 : 4,719,486.06 = 1,891,897.56 : x
  2. Step 2: Convert to fraction form
    3,419,816.76/4,719,486.06 = 1,891,897.56/x
  3. Step 3: Cross multiply
    3,419,816.76x = 4,719,486.06 × 1,891,897.56
  4. Step 4: Simplify right side
    3,419,816.76x = 8,928,784,161,368.01
  5. Step 5: Solve for x
    x = 8,928,784,161,368.01/3,419,816.76
  6. Step 6: Final answer
    x = 2,610,895.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.