Home / 1,622,468.18-2,239,200.78-943,404.68

Finding the Fourth Proportional to 1,622,468.18, 2,239,200.78 and 943,404.68

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Solution

The fourth proportional to 1,622,468.18, 2,239,200.78 and 943,404.68 is: 1,302,011.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,468.18 : 2,239,200.78 = 943,404.68 : x
  2. Step 2: Convert to fraction form
    1,622,468.18/2,239,200.78 = 943,404.68/x
  3. Step 3: Cross multiply
    1,622,468.18x = 2,239,200.78 × 943,404.68
  4. Step 4: Simplify right side
    1,622,468.18x = 2,112,472,495,311.65
  5. Step 5: Solve for x
    x = 2,112,472,495,311.65/1,622,468.18
  6. Step 6: Final answer
    x = 1,302,011.66

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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.