Home / 6,428,268.16-8,871,117.84-3,527,928.90

Finding the Fourth Proportional to 6,428,268.16, 8,871,117.84 and 3,527,928.90

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Solution

The fourth proportional to 6,428,268.16, 8,871,117.84 and 3,527,928.90 is: 4,868,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,268.16 : 8,871,117.84 = 3,527,928.90 : x
  2. Step 2: Convert to fraction form
    6,428,268.16/8,871,117.84 = 3,527,928.90/x
  3. Step 3: Cross multiply
    6,428,268.16x = 8,871,117.84 × 3,527,928.90
  4. Step 4: Simplify right side
    6,428,268.16x = 31,296,673,003,041.57
  5. Step 5: Solve for x
    x = 31,296,673,003,041.57/6,428,268.16
  6. Step 6: Final answer
    x = 4,868,601.03

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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.