Home / 3,143,667.28-4,716,421.08-1,013,708.56

Finding the Fourth Proportional to 3,143,667.28, 4,716,421.08 and 1,013,708.56

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Solution

The fourth proportional to 3,143,667.28, 4,716,421.08 and 1,013,708.56 is: 1,520,859.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,667.28 : 4,716,421.08 = 1,013,708.56 : x
  2. Step 2: Convert to fraction form
    3,143,667.28/4,716,421.08 = 1,013,708.56/x
  3. Step 3: Cross multiply
    3,143,667.28x = 4,716,421.08 × 1,013,708.56
  4. Step 4: Simplify right side
    3,143,667.28x = 4,781,076,421,360.45
  5. Step 5: Solve for x
    x = 4,781,076,421,360.45/3,143,667.28
  6. Step 6: Final answer
    x = 1,520,859.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.