Home / 2,176,831.74-3,004,063.74-1,196,812.20

Finding the Fourth Proportional to 2,176,831.74, 3,004,063.74 and 1,196,812.20

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Solution

The fourth proportional to 2,176,831.74, 3,004,063.74 and 1,196,812.20 is: 1,651,620.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,831.74 : 3,004,063.74 = 1,196,812.20 : x
  2. Step 2: Convert to fraction form
    2,176,831.74/3,004,063.74 = 1,196,812.20/x
  3. Step 3: Cross multiply
    2,176,831.74x = 3,004,063.74 × 1,196,812.20
  4. Step 4: Simplify right side
    2,176,831.74x = 3,595,300,133,609.63
  5. Step 5: Solve for x
    x = 3,595,300,133,609.63/2,176,831.74
  6. Step 6: Final answer
    x = 1,651,620.59

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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.