Home / 1,918,011.06-2,646,860.88-1,046,853.78

Finding the Fourth Proportional to 1,918,011.06, 2,646,860.88 and 1,046,853.78

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Solution

The fourth proportional to 1,918,011.06, 2,646,860.88 and 1,046,853.78 is: 1,444,661.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,011.06 : 2,646,860.88 = 1,046,853.78 : x
  2. Step 2: Convert to fraction form
    1,918,011.06/2,646,860.88 = 1,046,853.78/x
  3. Step 3: Cross multiply
    1,918,011.06x = 2,646,860.88 × 1,046,853.78
  4. Step 4: Simplify right side
    1,918,011.06x = 2,770,876,317,362.13
  5. Step 5: Solve for x
    x = 2,770,876,317,362.13/1,918,011.06
  6. Step 6: Final answer
    x = 1,444,661.28

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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.