Home / 2,910,356.29-4,016,415.95-1,621,197.55

Finding the Fourth Proportional to 2,910,356.29, 4,016,415.95 and 1,621,197.55

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Solution

The fourth proportional to 2,910,356.29, 4,016,415.95 and 1,621,197.55 is: 2,237,321.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,356.29 : 4,016,415.95 = 1,621,197.55 : x
  2. Step 2: Convert to fraction form
    2,910,356.29/4,016,415.95 = 1,621,197.55/x
  3. Step 3: Cross multiply
    2,910,356.29x = 4,016,415.95 × 1,621,197.55
  4. Step 4: Simplify right side
    2,910,356.29x = 6,511,403,697,920.92
  5. Step 5: Solve for x
    x = 6,511,403,697,920.92/2,910,356.29
  6. Step 6: Final answer
    x = 2,237,321.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.