Home / 3,884,155.66-5,360,453.94-2,142,165.77

Finding the Fourth Proportional to 3,884,155.66, 5,360,453.94 and 2,142,165.77

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Solution

The fourth proportional to 3,884,155.66, 5,360,453.94 and 2,142,165.77 is: 2,956,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,155.66 : 5,360,453.94 = 2,142,165.77 : x
  2. Step 2: Convert to fraction form
    3,884,155.66/5,360,453.94 = 2,142,165.77/x
  3. Step 3: Cross multiply
    3,884,155.66x = 5,360,453.94 × 2,142,165.77
  4. Step 4: Simplify right side
    3,884,155.66x = 11,482,980,928,185.91
  5. Step 5: Solve for x
    x = 11,482,980,928,185.91/3,884,155.66
  6. Step 6: Final answer
    x = 2,956,364.76

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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.