Home / 6,428,555.46-8,871,206.43-3,527,871.75

Finding the Fourth Proportional to 6,428,555.46, 8,871,206.43 and 3,527,871.75

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Solution

The fourth proportional to 6,428,555.46, 8,871,206.43 and 3,527,871.75 is: 4,868,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,555.46 : 8,871,206.43 = 3,527,871.75 : x
  2. Step 2: Convert to fraction form
    6,428,555.46/8,871,206.43 = 3,527,871.75/x
  3. Step 3: Cross multiply
    6,428,555.46x = 8,871,206.43 × 3,527,871.75
  4. Step 4: Simplify right side
    6,428,555.46x = 31,296,478,552,815.35
  5. Step 5: Solve for x
    x = 31,296,478,552,815.35/6,428,555.46
  6. Step 6: Final answer
    x = 4,868,353.20

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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.