Home / 2,147,172.35-2,963,134.67-1,180,343.39

Finding the Fourth Proportional to 2,147,172.35, 2,963,134.67 and 1,180,343.39

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Solution

The fourth proportional to 2,147,172.35, 2,963,134.67 and 1,180,343.39 is: 1,628,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,172.35 : 2,963,134.67 = 1,180,343.39 : x
  2. Step 2: Convert to fraction form
    2,147,172.35/2,963,134.67 = 1,180,343.39/x
  3. Step 3: Cross multiply
    2,147,172.35x = 2,963,134.67 × 1,180,343.39
  4. Step 4: Simplify right side
    2,147,172.35x = 3,497,516,400,696.94
  5. Step 5: Solve for x
    x = 3,497,516,400,696.94/2,147,172.35
  6. Step 6: Final answer
    x = 1,628,894.12

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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.