Home / 2,839,065.64-3,917,969.86-1,549,960.36

Finding the Fourth Proportional to 2,839,065.64, 3,917,969.86 and 1,549,960.36

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Solution

The fourth proportional to 2,839,065.64, 3,917,969.86 and 1,549,960.36 is: 2,138,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,065.64 : 3,917,969.86 = 1,549,960.36 : x
  2. Step 2: Convert to fraction form
    2,839,065.64/3,917,969.86 = 1,549,960.36/x
  3. Step 3: Cross multiply
    2,839,065.64x = 3,917,969.86 × 1,549,960.36
  4. Step 4: Simplify right side
    2,839,065.64x = 6,072,697,974,674.75
  5. Step 5: Solve for x
    x = 6,072,697,974,674.75/2,839,065.64
  6. Step 6: Final answer
    x = 2,138,977.66

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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.