Home / 4,834,780-7,251,381.55-1,422,268.40

Finding the Fourth Proportional to 4,834,780, 7,251,381.55 and 1,422,268.40

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Solution

The fourth proportional to 4,834,780, 7,251,381.55 and 1,422,268.40 is: 2,133,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,834,780 : 7,251,381.55 = 1,422,268.40 : x
  2. Step 2: Convert to fraction form
    4,834,780/7,251,381.55 = 1,422,268.40/x
  3. Step 3: Cross multiply
    4,834,780x = 7,251,381.55 × 1,422,268.40
  4. Step 4: Simplify right side
    4,834,780x = 10,313,410,834,908.02
  5. Step 5: Solve for x
    x = 10,313,410,834,908.02/4,834,780
  6. Step 6: Final answer
    x = 2,133,170.66

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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.