Home / 1,693,217.87-2,336,628.47-918,829.22

Finding the Fourth Proportional to 1,693,217.87, 2,336,628.47 and 918,829.22

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Solution

The fourth proportional to 1,693,217.87, 2,336,628.47 and 918,829.22 is: 1,267,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,217.87 : 2,336,628.47 = 918,829.22 : x
  2. Step 2: Convert to fraction form
    1,693,217.87/2,336,628.47 = 918,829.22/x
  3. Step 3: Cross multiply
    1,693,217.87x = 2,336,628.47 × 918,829.22
  4. Step 4: Simplify right side
    1,693,217.87x = 2,146,962,511,386.14
  5. Step 5: Solve for x
    x = 2,146,962,511,386.14/1,693,217.87
  6. Step 6: Final answer
    x = 1,267,977.70

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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.