Home / 1,989,006.74-2,744,109.29-1,301,071.31

Finding the Fourth Proportional to 1,989,006.74, 2,744,109.29 and 1,301,071.31

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Solution

The fourth proportional to 1,989,006.74, 2,744,109.29 and 1,301,071.31 is: 1,795,007.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,006.74 : 2,744,109.29 = 1,301,071.31 : x
  2. Step 2: Convert to fraction form
    1,989,006.74/2,744,109.29 = 1,301,071.31/x
  3. Step 3: Cross multiply
    1,989,006.74x = 2,744,109.29 × 1,301,071.31
  4. Step 4: Simplify right side
    1,989,006.74x = 3,570,281,868,723.47
  5. Step 5: Solve for x
    x = 3,570,281,868,723.47/1,989,006.74
  6. Step 6: Final answer
    x = 1,795,007.43

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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.