Home / 5,209,275-7,810,883.74-1,971,062.41

Finding the Fourth Proportional to 5,209,275, 7,810,883.74 and 1,971,062.41

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Solution

The fourth proportional to 5,209,275, 7,810,883.74 and 1,971,062.41 is: 2,955,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,275 : 7,810,883.74 = 1,971,062.41 : x
  2. Step 2: Convert to fraction form
    5,209,275/7,810,883.74 = 1,971,062.41/x
  3. Step 3: Cross multiply
    5,209,275x = 7,810,883.74 × 1,971,062.41
  4. Step 4: Simplify right side
    5,209,275x = 15,395,739,304,339.35
  5. Step 5: Solve for x
    x = 15,395,739,304,339.35/5,209,275
  6. Step 6: Final answer
    x = 2,955,447.60

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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.