Home / 1,940,228.10-2,910,342.15-1,853,136.90

Finding the Fourth Proportional to 1,940,228.10, 2,910,342.15 and 1,853,136.90

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Solution

The fourth proportional to 1,940,228.10, 2,910,342.15 and 1,853,136.90 is: 2,779,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,228.10 : 2,910,342.15 = 1,853,136.90 : x
  2. Step 2: Convert to fraction form
    1,940,228.10/2,910,342.15 = 1,853,136.90/x
  3. Step 3: Cross multiply
    1,940,228.10x = 2,910,342.15 × 1,853,136.90
  4. Step 4: Simplify right side
    1,940,228.10x = 5,393,262,429,790.34
  5. Step 5: Solve for x
    x = 5,393,262,429,790.34/1,940,228.10
  6. Step 6: Final answer
    x = 2,779,705.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.