Home / 2,126,719.56-2,934,756.39-1,208,821.41

Finding the Fourth Proportional to 2,126,719.56, 2,934,756.39 and 1,208,821.41

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Solution

The fourth proportional to 2,126,719.56, 2,934,756.39 and 1,208,821.41 is: 1,668,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,719.56 : 2,934,756.39 = 1,208,821.41 : x
  2. Step 2: Convert to fraction form
    2,126,719.56/2,934,756.39 = 1,208,821.41/x
  3. Step 3: Cross multiply
    2,126,719.56x = 2,934,756.39 × 1,208,821.41
  4. Step 4: Simplify right side
    2,126,719.56x = 3,547,596,357,366.31
  5. Step 5: Solve for x
    x = 3,547,596,357,366.31/2,126,719.56
  6. Step 6: Final answer
    x = 1,668,107.27

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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.