Home / 1,877,660.39-2,591,172.02-1,018,220.42

Finding the Fourth Proportional to 1,877,660.39, 2,591,172.02 and 1,018,220.42

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Solution

The fourth proportional to 1,877,660.39, 2,591,172.02 and 1,018,220.42 is: 1,405,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,660.39 : 2,591,172.02 = 1,018,220.42 : x
  2. Step 2: Convert to fraction form
    1,877,660.39/2,591,172.02 = 1,018,220.42/x
  3. Step 3: Cross multiply
    1,877,660.39x = 2,591,172.02 × 1,018,220.42
  4. Step 4: Simplify right side
    1,877,660.39x = 2,638,384,262,496.65
  5. Step 5: Solve for x
    x = 2,638,384,262,496.65/1,877,660.39
  6. Step 6: Final answer
    x = 1,405,144.55

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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.