Home / 6,428,043.81-8,870,834.21-3,527,265.33

Finding the Fourth Proportional to 6,428,043.81, 8,870,834.21 and 3,527,265.33

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Solution

The fourth proportional to 6,428,043.81, 8,870,834.21 and 3,527,265.33 is: 4,867,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,043.81 : 8,870,834.21 = 3,527,265.33 : x
  2. Step 2: Convert to fraction form
    6,428,043.81/8,870,834.21 = 3,527,265.33/x
  3. Step 3: Cross multiply
    6,428,043.81x = 8,870,834.21 × 3,527,265.33
  4. Step 4: Simplify right side
    6,428,043.81x = 31,289,785,939,474.61
  5. Step 5: Solve for x
    x = 31,289,785,939,474.61/6,428,043.81
  6. Step 6: Final answer
    x = 4,867,699.55

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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.