Home / 1,926,581.75-2,889,296.48-1,208,014.88

Finding the Fourth Proportional to 1,926,581.75, 2,889,296.48 and 1,208,014.88

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Solution

The fourth proportional to 1,926,581.75, 2,889,296.48 and 1,208,014.88 is: 1,811,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,581.75 : 2,889,296.48 = 1,208,014.88 : x
  2. Step 2: Convert to fraction form
    1,926,581.75/2,889,296.48 = 1,208,014.88/x
  3. Step 3: Cross multiply
    1,926,581.75x = 2,889,296.48 × 1,208,014.88
  4. Step 4: Simplify right side
    1,926,581.75x = 3,490,313,120,085.07
  5. Step 5: Solve for x
    x = 3,490,313,120,085.07/1,926,581.75
  6. Step 6: Final answer
    x = 1,811,661.06

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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.