Home / 1,889,143.58-2,607,018.88-1,073,348.34

Finding the Fourth Proportional to 1,889,143.58, 2,607,018.88 and 1,073,348.34

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Solution

The fourth proportional to 1,889,143.58, 2,607,018.88 and 1,073,348.34 is: 1,481,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,143.58 : 2,607,018.88 = 1,073,348.34 : x
  2. Step 2: Convert to fraction form
    1,889,143.58/2,607,018.88 = 1,073,348.34/x
  3. Step 3: Cross multiply
    1,889,143.58x = 2,607,018.88 × 1,073,348.34
  4. Step 4: Simplify right side
    1,889,143.58x = 2,798,239,387,196.66
  5. Step 5: Solve for x
    x = 2,798,239,387,196.66/1,889,143.58
  6. Step 6: Final answer
    x = 1,481,221.13

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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.