Home / 2,976,322.88-4,107,465.96-1,687,188.32

Finding the Fourth Proportional to 2,976,322.88, 4,107,465.96 and 1,687,188.32

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Solution

The fourth proportional to 2,976,322.88, 4,107,465.96 and 1,687,188.32 is: 2,328,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976,322.88 : 4,107,465.96 = 1,687,188.32 : x
  2. Step 2: Convert to fraction form
    2,976,322.88/4,107,465.96 = 1,687,188.32/x
  3. Step 3: Cross multiply
    2,976,322.88x = 4,107,465.96 × 1,687,188.32
  4. Step 4: Simplify right side
    2,976,322.88x = 6,930,068,592,509.59
  5. Step 5: Solve for x
    x = 6,930,068,592,509.59/2,976,322.88
  6. Step 6: Final answer
    x = 2,328,399.46

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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.