Home / 3,268,641-4,902,986.13-1,138,721.70

Finding the Fourth Proportional to 3,268,641, 4,902,986.13 and 1,138,721.70

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Solution

The fourth proportional to 3,268,641, 4,902,986.13 and 1,138,721.70 is: 1,708,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268,641 : 4,902,986.13 = 1,138,721.70 : x
  2. Step 2: Convert to fraction form
    3,268,641/4,902,986.13 = 1,138,721.70/x
  3. Step 3: Cross multiply
    3,268,641x = 4,902,986.13 × 1,138,721.70
  4. Step 4: Simplify right side
    3,268,641x = 5,583,136,701,030.02
  5. Step 5: Solve for x
    x = 5,583,136,701,030.02/3,268,641
  6. Step 6: Final answer
    x = 1,708,091.13

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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.