Home / 2,683,968.96-3,703,979.04-1,538,270.40

Finding the Fourth Proportional to 2,683,968.96, 3,703,979.04 and 1,538,270.40

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Solution

The fourth proportional to 2,683,968.96, 3,703,979.04 and 1,538,270.40 is: 2,122,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683,968.96 : 3,703,979.04 = 1,538,270.40 : x
  2. Step 2: Convert to fraction form
    2,683,968.96/3,703,979.04 = 1,538,270.40/x
  3. Step 3: Cross multiply
    2,683,968.96x = 3,703,979.04 × 1,538,270.40
  4. Step 4: Simplify right side
    2,683,968.96x = 5,697,721,319,452.42
  5. Step 5: Solve for x
    x = 5,697,721,319,452.42/2,683,968.96
  6. Step 6: Final answer
    x = 2,122,871.54

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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.