Home / 1,890,072.68-2,608,500.06-1,155,456.95

Finding the Fourth Proportional to 1,890,072.68, 2,608,500.06 and 1,155,456.95

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Solution

The fourth proportional to 1,890,072.68, 2,608,500.06 and 1,155,456.95 is: 1,594,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,072.68 : 2,608,500.06 = 1,155,456.95 : x
  2. Step 2: Convert to fraction form
    1,890,072.68/2,608,500.06 = 1,155,456.95/x
  3. Step 3: Cross multiply
    1,890,072.68x = 2,608,500.06 × 1,155,456.95
  4. Step 4: Simplify right side
    1,890,072.68x = 3,014,009,510,359.92
  5. Step 5: Solve for x
    x = 3,014,009,510,359.92/1,890,072.68
  6. Step 6: Final answer
    x = 1,594,652.71

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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.