Home / 2,673,542.40-4,010,896.80-780,129.60

Finding the Fourth Proportional to 2,673,542.40, 4,010,896.80 and 780,129.60

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Solution

The fourth proportional to 2,673,542.40, 4,010,896.80 and 780,129.60 is: 1,170,364.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673,542.40 : 4,010,896.80 = 780,129.60 : x
  2. Step 2: Convert to fraction form
    2,673,542.40/4,010,896.80 = 780,129.60/x
  3. Step 3: Cross multiply
    2,673,542.40x = 4,010,896.80 × 780,129.60
  4. Step 4: Simplify right side
    2,673,542.40x = 3,129,019,316,225.28
  5. Step 5: Solve for x
    x = 3,129,019,316,225.28/2,673,542.40
  6. Step 6: Final answer
    x = 1,170,364.58

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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.