Home / 2,151,529.17-2,969,117.28-1,171,479.80

Finding the Fourth Proportional to 2,151,529.17, 2,969,117.28 and 1,171,479.80

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Solution

The fourth proportional to 2,151,529.17, 2,969,117.28 and 1,171,479.80 is: 1,616,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,529.17 : 2,969,117.28 = 1,171,479.80 : x
  2. Step 2: Convert to fraction form
    2,151,529.17/2,969,117.28 = 1,171,479.80/x
  3. Step 3: Cross multiply
    2,151,529.17x = 2,969,117.28 × 1,171,479.80
  4. Step 4: Simplify right side
    2,151,529.17x = 3,478,260,902,505.36
  5. Step 5: Solve for x
    x = 3,478,260,902,505.36/2,151,529.17
  6. Step 6: Final answer
    x = 1,616,645.94

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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.