Home / 1,999,265.11-2,756,116.27-1,425,308.83

Finding the Fourth Proportional to 1,999,265.11, 2,756,116.27 and 1,425,308.83

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Solution

The fourth proportional to 1,999,265.11, 2,756,116.27 and 1,425,308.83 is: 1,964,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,265.11 : 2,756,116.27 = 1,425,308.83 : x
  2. Step 2: Convert to fraction form
    1,999,265.11/2,756,116.27 = 1,425,308.83/x
  3. Step 3: Cross multiply
    1,999,265.11x = 2,756,116.27 × 1,425,308.83
  4. Step 4: Simplify right side
    1,999,265.11x = 3,928,316,856,137.66
  5. Step 5: Solve for x
    x = 3,928,316,856,137.66/1,999,265.11
  6. Step 6: Final answer
    x = 1,964,880.41

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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.