Home / 1,878,859.90-2,818,798.33-1,339,797.26

Finding the Fourth Proportional to 1,878,859.90, 2,818,798.33 and 1,339,797.26

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Solution

The fourth proportional to 1,878,859.90, 2,818,798.33 and 1,339,797.26 is: 2,010,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,859.90 : 2,818,798.33 = 1,339,797.26 : x
  2. Step 2: Convert to fraction form
    1,878,859.90/2,818,798.33 = 1,339,797.26/x
  3. Step 3: Cross multiply
    1,878,859.90x = 2,818,798.33 × 1,339,797.26
  4. Step 4: Simplify right side
    1,878,859.90x = 3,776,618,279,026.58
  5. Step 5: Solve for x
    x = 3,776,618,279,026.58/1,878,859.90
  6. Step 6: Final answer
    x = 2,010,058.48

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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.