Home / 6,428,063.21-8,870,700.42-3,527,502.21

Finding the Fourth Proportional to 6,428,063.21, 8,870,700.42 and 3,527,502.21

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Solution

The fourth proportional to 6,428,063.21, 8,870,700.42 and 3,527,502.21 is: 4,867,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,063.21 : 8,870,700.42 = 3,527,502.21 : x
  2. Step 2: Convert to fraction form
    6,428,063.21/8,870,700.42 = 3,527,502.21/x
  3. Step 3: Cross multiply
    6,428,063.21x = 8,870,700.42 × 3,527,502.21
  4. Step 4: Simplify right side
    6,428,063.21x = 31,291,415,335,797.93
  5. Step 5: Solve for x
    x = 31,291,415,335,797.93/6,428,063.21
  6. Step 6: Final answer
    x = 4,867,938.34

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1.5x scale

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.