Home / 2,798,824.80-4,198,256.70-1,200,040.32

Finding the Fourth Proportional to 2,798,824.80, 4,198,256.70 and 1,200,040.32

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Solution

The fourth proportional to 2,798,824.80, 4,198,256.70 and 1,200,040.32 is: 1,800,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,824.80 : 4,198,256.70 = 1,200,040.32 : x
  2. Step 2: Convert to fraction form
    2,798,824.80/4,198,256.70 = 1,200,040.32/x
  3. Step 3: Cross multiply
    2,798,824.80x = 4,198,256.70 × 1,200,040.32
  4. Step 4: Simplify right side
    2,798,824.80x = 5,038,077,313,710.14
  5. Step 5: Solve for x
    x = 5,038,077,313,710.14/2,798,824.80
  6. Step 6: Final answer
    x = 1,800,068.84

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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.