Home / 2,896,415.60-4,346,178.60-1,213,689.20

Finding the Fourth Proportional to 2,896,415.60, 4,346,178.60 and 1,213,689.20

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Solution

The fourth proportional to 2,896,415.60, 4,346,178.60 and 1,213,689.20 is: 1,821,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896,415.60 : 4,346,178.60 = 1,213,689.20 : x
  2. Step 2: Convert to fraction form
    2,896,415.60/4,346,178.60 = 1,213,689.20/x
  3. Step 3: Cross multiply
    2,896,415.60x = 4,346,178.60 × 1,213,689.20
  4. Step 4: Simplify right side
    2,896,415.60x = 5,274,910,028,091.12
  5. Step 5: Solve for x
    x = 5,274,910,028,091.12/2,896,415.60
  6. Step 6: Final answer
    x = 1,821,185.48

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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.