Home / 2,147,102.26-2,963,007.24-1,229,345.47

Finding the Fourth Proportional to 2,147,102.26, 2,963,007.24 and 1,229,345.47

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Solution

The fourth proportional to 2,147,102.26, 2,963,007.24 and 1,229,345.47 is: 1,696,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,102.26 : 2,963,007.24 = 1,229,345.47 : x
  2. Step 2: Convert to fraction form
    2,147,102.26/2,963,007.24 = 1,229,345.47/x
  3. Step 3: Cross multiply
    2,147,102.26x = 2,963,007.24 × 1,229,345.47
  4. Step 4: Simplify right side
    2,147,102.26x = 3,642,559,528,071.20
  5. Step 5: Solve for x
    x = 3,642,559,528,071.20/2,147,102.26
  6. Step 6: Final answer
    x = 1,696,500.25

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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.