Home / 1,898,289.57-2,620,862.22-1,693,989.15

Finding the Fourth Proportional to 1,898,289.57, 2,620,862.22 and 1,693,989.15

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Solution

The fourth proportional to 1,898,289.57, 2,620,862.22 and 1,693,989.15 is: 2,338,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,289.57 : 2,620,862.22 = 1,693,989.15 : x
  2. Step 2: Convert to fraction form
    1,898,289.57/2,620,862.22 = 1,693,989.15/x
  3. Step 3: Cross multiply
    1,898,289.57x = 2,620,862.22 × 1,693,989.15
  4. Step 4: Simplify right side
    1,898,289.57x = 4,439,712,164,324.91
  5. Step 5: Solve for x
    x = 4,439,712,164,324.91/1,898,289.57
  6. Step 6: Final answer
    x = 2,338,796.06

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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.