Home / 2,137,856.32-2,950,284.18-1,170,986.68

Finding the Fourth Proportional to 2,137,856.32, 2,950,284.18 and 1,170,986.68

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Solution

The fourth proportional to 2,137,856.32, 2,950,284.18 and 1,170,986.68 is: 1,615,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,856.32 : 2,950,284.18 = 1,170,986.68 : x
  2. Step 2: Convert to fraction form
    2,137,856.32/2,950,284.18 = 1,170,986.68/x
  3. Step 3: Cross multiply
    2,137,856.32x = 2,950,284.18 × 1,170,986.68
  4. Step 4: Simplify right side
    2,137,856.32x = 3,454,743,476,994.72
  5. Step 5: Solve for x
    x = 3,454,743,476,994.72/2,137,856.32
  6. Step 6: Final answer
    x = 1,615,984.87

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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.