Home / 1,878,601.28-2,592,470.66-1,019,161.31

Finding the Fourth Proportional to 1,878,601.28, 2,592,470.66 and 1,019,161.31

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Solution

The fourth proportional to 1,878,601.28, 2,592,470.66 and 1,019,161.31 is: 1,406,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,601.28 : 2,592,470.66 = 1,019,161.31 : x
  2. Step 2: Convert to fraction form
    1,878,601.28/2,592,470.66 = 1,019,161.31/x
  3. Step 3: Cross multiply
    1,878,601.28x = 2,592,470.66 × 1,019,161.31
  4. Step 4: Simplify right side
    1,878,601.28x = 2,642,145,775,924.01
  5. Step 5: Solve for x
    x = 2,642,145,775,924.01/1,878,601.28
  6. Step 6: Final answer
    x = 1,406,443.09

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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.