Home / 5,780,098.12-8,671,364.61-2,185,785.49

Finding the Fourth Proportional to 5,780,098.12, 8,671,364.61 and 2,185,785.49

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Solution

The fourth proportional to 5,780,098.12, 8,671,364.61 and 2,185,785.49 is: 3,279,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780,098.12 : 8,671,364.61 = 2,185,785.49 : x
  2. Step 2: Convert to fraction form
    5,780,098.12/8,671,364.61 = 2,185,785.49/x
  3. Step 3: Cross multiply
    5,780,098.12x = 8,671,364.61 × 2,185,785.49
  4. Step 4: Simplify right side
    5,780,098.12x = 18,953,742,943,037.51
  5. Step 5: Solve for x
    x = 18,953,742,943,037.51/5,780,098.12
  6. Step 6: Final answer
    x = 3,279,138.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.