Home / 1,918,873.09-2,878,198.92-1,160,510.95

Finding the Fourth Proportional to 1,918,873.09, 2,878,198.92 and 1,160,510.95

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Solution

The fourth proportional to 1,918,873.09, 2,878,198.92 and 1,160,510.95 is: 1,740,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,873.09 : 2,878,198.92 = 1,160,510.95 : x
  2. Step 2: Convert to fraction form
    1,918,873.09/2,878,198.92 = 1,160,510.95/x
  3. Step 3: Cross multiply
    1,918,873.09x = 2,878,198.92 × 1,160,510.95
  4. Step 4: Simplify right side
    1,918,873.09x = 3,340,181,353,185.67
  5. Step 5: Solve for x
    x = 3,340,181,353,185.67/1,918,873.09
  6. Step 6: Final answer
    x = 1,740,699.46

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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.