Home / 1,999,529.84-2,756,480.28-1,425,573.92

Finding the Fourth Proportional to 1,999,529.84, 2,756,480.28 and 1,425,573.92

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Solution

The fourth proportional to 1,999,529.84, 2,756,480.28 and 1,425,573.92 is: 1,965,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,529.84 : 2,756,480.28 = 1,425,573.92 : x
  2. Step 2: Convert to fraction form
    1,999,529.84/2,756,480.28 = 1,425,573.92/x
  3. Step 3: Cross multiply
    1,999,529.84x = 2,756,480.28 × 1,425,573.92
  4. Step 4: Simplify right side
    1,999,529.84x = 3,929,566,398,162.30
  5. Step 5: Solve for x
    x = 3,929,566,398,162.30/1,999,529.84
  6. Step 6: Final answer
    x = 1,965,245.19

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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.