Home / 2,674,872.32-3,691,323.36-1,528,977.33

Finding the Fourth Proportional to 2,674,872.32, 3,691,323.36 and 1,528,977.33

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Solution

The fourth proportional to 2,674,872.32, 3,691,323.36 and 1,528,977.33 is: 2,109,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,872.32 : 3,691,323.36 = 1,528,977.33 : x
  2. Step 2: Convert to fraction form
    2,674,872.32/3,691,323.36 = 1,528,977.33/x
  3. Step 3: Cross multiply
    2,674,872.32x = 3,691,323.36 × 1,528,977.33
  4. Step 4: Simplify right side
    2,674,872.32x = 5,643,949,735,139.43
  5. Step 5: Solve for x
    x = 5,643,949,735,139.43/2,674,872.32
  6. Step 6: Final answer
    x = 2,109,988.47

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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.