Home / 2,798,206.40-4,196,272.80-905,009.60

Finding the Fourth Proportional to 2,798,206.40, 4,196,272.80 and 905,009.60

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Solution

The fourth proportional to 2,798,206.40, 4,196,272.80 and 905,009.60 is: 1,357,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,206.40 : 4,196,272.80 = 905,009.60 : x
  2. Step 2: Convert to fraction form
    2,798,206.40/4,196,272.80 = 905,009.60/x
  3. Step 3: Cross multiply
    2,798,206.40x = 4,196,272.80 × 905,009.60
  4. Step 4: Simplify right side
    2,798,206.40x = 3,797,667,168,218.88
  5. Step 5: Solve for x
    x = 3,797,667,168,218.88/2,798,206.40
  6. Step 6: Final answer
    x = 1,357,179.07

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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.