Home / 6,400,544.60-8,832,025.94-3,787,128.92

Finding the Fourth Proportional to 6,400,544.60, 8,832,025.94 and 3,787,128.92

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Solution

The fourth proportional to 6,400,544.60, 8,832,025.94 and 3,787,128.92 is: 5,225,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,544.60 : 8,832,025.94 = 3,787,128.92 : x
  2. Step 2: Convert to fraction form
    6,400,544.60/8,832,025.94 = 3,787,128.92/x
  3. Step 3: Cross multiply
    6,400,544.60x = 8,832,025.94 × 3,787,128.92
  4. Step 4: Simplify right side
    6,400,544.60x = 33,448,020,859,564.18
  5. Step 5: Solve for x
    x = 33,448,020,859,564.18/6,400,544.60
  6. Step 6: Final answer
    x = 5,225,808.58

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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.