Home / 2,074,379.40-3,111,538.08-1,265,001.60

Finding the Fourth Proportional to 2,074,379.40, 3,111,538.08 and 1,265,001.60

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Solution

The fourth proportional to 2,074,379.40, 3,111,538.08 and 1,265,001.60 is: 1,897,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,379.40 : 3,111,538.08 = 1,265,001.60 : x
  2. Step 2: Convert to fraction form
    2,074,379.40/3,111,538.08 = 1,265,001.60/x
  3. Step 3: Cross multiply
    2,074,379.40x = 3,111,538.08 × 1,265,001.60
  4. Step 4: Simplify right side
    2,074,379.40x = 3,936,100,649,660.93
  5. Step 5: Solve for x
    x = 3,936,100,649,660.93/2,074,379.40
  6. Step 6: Final answer
    x = 1,897,483.48

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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.