Home / 1,878,860.40-2,818,799.08-1,339,797.76

Finding the Fourth Proportional to 1,878,860.40, 2,818,799.08 and 1,339,797.76

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Solution

The fourth proportional to 1,878,860.40, 2,818,799.08 and 1,339,797.76 is: 2,010,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,860.40 : 2,818,799.08 = 1,339,797.76 : x
  2. Step 2: Convert to fraction form
    1,878,860.40/2,818,799.08 = 1,339,797.76/x
  3. Step 3: Cross multiply
    1,878,860.40x = 2,818,799.08 × 1,339,797.76
  4. Step 4: Simplify right side
    1,878,860.40x = 3,776,620,693,274.06
  5. Step 5: Solve for x
    x = 3,776,620,693,274.06/1,878,860.40
  6. Step 6: Final answer
    x = 2,010,059.23

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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.