Home / 2,126,576.34-2,934,680.28-1,208,811.54

Finding the Fourth Proportional to 2,126,576.34, 2,934,680.28 and 1,208,811.54

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Solution

The fourth proportional to 2,126,576.34, 2,934,680.28 and 1,208,811.54 is: 1,668,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,576.34 : 2,934,680.28 = 1,208,811.54 : x
  2. Step 2: Convert to fraction form
    2,126,576.34/2,934,680.28 = 1,208,811.54/x
  3. Step 3: Cross multiply
    2,126,576.34x = 2,934,680.28 × 1,208,811.54
  4. Step 4: Simplify right side
    2,126,576.34x = 3,547,475,388,674.43
  5. Step 5: Solve for x
    x = 3,547,475,388,674.43/2,126,576.34
  6. Step 6: Final answer
    x = 1,668,162.73

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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.