Home / 2,045,972.58-2,823,610.26-1,128,381.20

Finding the Fourth Proportional to 2,045,972.58, 2,823,610.26 and 1,128,381.20

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Solution

The fourth proportional to 2,045,972.58, 2,823,610.26 and 1,128,381.20 is: 1,557,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045,972.58 : 2,823,610.26 = 1,128,381.20 : x
  2. Step 2: Convert to fraction form
    2,045,972.58/2,823,610.26 = 1,128,381.20/x
  3. Step 3: Cross multiply
    2,045,972.58x = 2,823,610.26 × 1,128,381.20
  4. Step 4: Simplify right side
    2,045,972.58x = 3,186,108,733,511.11
  5. Step 5: Solve for x
    x = 3,186,108,733,511.11/2,045,972.58
  6. Step 6: Final answer
    x = 1,557,258.77

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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.