Home / 2,166,276.07-2,989,554.42-1,199,406.39

Finding the Fourth Proportional to 2,166,276.07, 2,989,554.42 and 1,199,406.39

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Solution

The fourth proportional to 2,166,276.07, 2,989,554.42 and 1,199,406.39 is: 1,655,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,276.07 : 2,989,554.42 = 1,199,406.39 : x
  2. Step 2: Convert to fraction form
    2,166,276.07/2,989,554.42 = 1,199,406.39/x
  3. Step 3: Cross multiply
    2,166,276.07x = 2,989,554.42 × 1,199,406.39
  4. Step 4: Simplify right side
    2,166,276.07x = 3,585,690,674,600.74
  5. Step 5: Solve for x
    x = 3,585,690,674,600.74/2,166,276.07
  6. Step 6: Final answer
    x = 1,655,232.56

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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.