Home / 1,914,378.16-2,641,859.46-1,054,969.12

Finding the Fourth Proportional to 1,914,378.16, 2,641,859.46 and 1,054,969.12

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Solution

The fourth proportional to 1,914,378.16, 2,641,859.46 and 1,054,969.12 is: 1,455,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,378.16 : 2,641,859.46 = 1,054,969.12 : x
  2. Step 2: Convert to fraction form
    1,914,378.16/2,641,859.46 = 1,054,969.12/x
  3. Step 3: Cross multiply
    1,914,378.16x = 2,641,859.46 × 1,054,969.12
  4. Step 4: Simplify right side
    1,914,378.16x = 2,787,080,149,679.88
  5. Step 5: Solve for x
    x = 2,787,080,149,679.88/1,914,378.16
  6. Step 6: Final answer
    x = 1,455,867.08

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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.