Home / 2,800,401.12-4,200,893.63-1,071,267.60

Finding the Fourth Proportional to 2,800,401.12, 4,200,893.63 and 1,071,267.60

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Solution

The fourth proportional to 2,800,401.12, 4,200,893.63 and 1,071,267.60 is: 1,607,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,401.12 : 4,200,893.63 = 1,071,267.60 : x
  2. Step 2: Convert to fraction form
    2,800,401.12/4,200,893.63 = 1,071,267.60/x
  3. Step 3: Cross multiply
    2,800,401.12x = 4,200,893.63 × 1,071,267.60
  4. Step 4: Simplify right side
    2,800,401.12x = 4,500,281,231,509.05
  5. Step 5: Solve for x
    x = 4,500,281,231,509.05/2,800,401.12
  6. Step 6: Final answer
    x = 1,607,013.08

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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.