Home / 2,116,628.10-2,915,605.76-1,707,584.58

Finding the Fourth Proportional to 2,116,628.10, 2,915,605.76 and 1,707,584.58

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Solution

The fourth proportional to 2,116,628.10, 2,915,605.76 and 1,707,584.58 is: 2,352,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,628.10 : 2,915,605.76 = 1,707,584.58 : x
  2. Step 2: Convert to fraction form
    2,116,628.10/2,915,605.76 = 1,707,584.58/x
  3. Step 3: Cross multiply
    2,116,628.10x = 2,915,605.76 × 1,707,584.58
  4. Step 4: Simplify right side
    2,116,628.10x = 4,978,643,437,135.18
  5. Step 5: Solve for x
    x = 4,978,643,437,135.18/2,116,628.10
  6. Step 6: Final answer
    x = 2,352,157.87

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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.