Home / 2,934,538.20-4,401,807.30-1,228,386.60

Finding the Fourth Proportional to 2,934,538.20, 4,401,807.30 and 1,228,386.60

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Solution

The fourth proportional to 2,934,538.20, 4,401,807.30 and 1,228,386.60 is: 1,842,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934,538.20 : 4,401,807.30 = 1,228,386.60 : x
  2. Step 2: Convert to fraction form
    2,934,538.20/4,401,807.30 = 1,228,386.60/x
  3. Step 3: Cross multiply
    2,934,538.20x = 4,401,807.30 × 1,228,386.60
  4. Step 4: Simplify right side
    2,934,538.20x = 5,407,121,103,102.18
  5. Step 5: Solve for x
    x = 5,407,121,103,102.18/2,934,538.20
  6. Step 6: Final answer
    x = 1,842,579.90

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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.