Home / 2,020,165.21-2,787,886.87-1,102,453.47

Finding the Fourth Proportional to 2,020,165.21, 2,787,886.87 and 1,102,453.47

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Solution

The fourth proportional to 2,020,165.21, 2,787,886.87 and 1,102,453.47 is: 1,521,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,165.21 : 2,787,886.87 = 1,102,453.47 : x
  2. Step 2: Convert to fraction form
    2,020,165.21/2,787,886.87 = 1,102,453.47/x
  3. Step 3: Cross multiply
    2,020,165.21x = 2,787,886.87 × 1,102,453.47
  4. Step 4: Simplify right side
    2,020,165.21x = 3,073,515,544,722.43
  5. Step 5: Solve for x
    x = 3,073,515,544,722.43/2,020,165.21
  6. Step 6: Final answer
    x = 1,521,417.92

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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.