Home / 1,944,385.81-2,684,261.30-1,420,508.90

Finding the Fourth Proportional to 1,944,385.81, 2,684,261.30 and 1,420,508.90

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Solution

The fourth proportional to 1,944,385.81, 2,684,261.30 and 1,420,508.90 is: 1,961,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944,385.81 : 2,684,261.30 = 1,420,508.90 : x
  2. Step 2: Convert to fraction form
    1,944,385.81/2,684,261.30 = 1,420,508.90/x
  3. Step 3: Cross multiply
    1,944,385.81x = 2,684,261.30 × 1,420,508.90
  4. Step 4: Simplify right side
    1,944,385.81x = 3,813,017,066,575.57
  5. Step 5: Solve for x
    x = 3,813,017,066,575.57/1,944,385.81
  6. Step 6: Final answer
    x = 1,961,039.34

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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.