Home / 1,913,441.52-2,640,736-1,429,166.82

Finding the Fourth Proportional to 1,913,441.52, 2,640,736 and 1,429,166.82

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Solution

The fourth proportional to 1,913,441.52, 2,640,736 and 1,429,166.82 is: 1,972,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,441.52 : 2,640,736 = 1,429,166.82 : x
  2. Step 2: Convert to fraction form
    1,913,441.52/2,640,736 = 1,429,166.82/x
  3. Step 3: Cross multiply
    1,913,441.52x = 2,640,736 × 1,429,166.82
  4. Step 4: Simplify right side
    1,913,441.52x = 3,774,052,271,579.52
  5. Step 5: Solve for x
    x = 3,774,052,271,579.52/1,913,441.52
  6. Step 6: Final answer
    x = 1,972,389.66

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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.