Home / 1,970,001.69-2,718,485.14-1,143,011.18

Finding the Fourth Proportional to 1,970,001.69, 2,718,485.14 and 1,143,011.18

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Solution

The fourth proportional to 1,970,001.69, 2,718,485.14 and 1,143,011.18 is: 1,577,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,001.69 : 2,718,485.14 = 1,143,011.18 : x
  2. Step 2: Convert to fraction form
    1,970,001.69/2,718,485.14 = 1,143,011.18/x
  3. Step 3: Cross multiply
    1,970,001.69x = 2,718,485.14 × 1,143,011.18
  4. Step 4: Simplify right side
    1,970,001.69x = 3,107,258,907,683.87
  5. Step 5: Solve for x
    x = 3,107,258,907,683.87/1,970,001.69
  6. Step 6: Final answer
    x = 1,577,287.43

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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.