Home / 1,889,723.79-2,607,706.40-1,073,814.23

Finding the Fourth Proportional to 1,889,723.79, 2,607,706.40 and 1,073,814.23

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Solution

The fourth proportional to 1,889,723.79, 2,607,706.40 and 1,073,814.23 is: 1,481,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,723.79 : 2,607,706.40 = 1,073,814.23 : x
  2. Step 2: Convert to fraction form
    1,889,723.79/2,607,706.40 = 1,073,814.23/x
  3. Step 3: Cross multiply
    1,889,723.79x = 2,607,706.40 × 1,073,814.23
  4. Step 4: Simplify right side
    1,889,723.79x = 2,800,192,221,574.47
  5. Step 5: Solve for x
    x = 2,800,192,221,574.47/1,889,723.79
  6. Step 6: Final answer
    x = 1,481,799.74

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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.