Home / 1,888,409.51-2,833,451.57-989,637.56

Finding the Fourth Proportional to 1,888,409.51, 2,833,451.57 and 989,637.56

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Solution

The fourth proportional to 1,888,409.51, 2,833,451.57 and 989,637.56 is: 1,484,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,409.51 : 2,833,451.57 = 989,637.56 : x
  2. Step 2: Convert to fraction form
    1,888,409.51/2,833,451.57 = 989,637.56/x
  3. Step 3: Cross multiply
    1,888,409.51x = 2,833,451.57 × 989,637.56
  4. Step 4: Simplify right side
    1,888,409.51x = 2,804,090,098,112.97
  5. Step 5: Solve for x
    x = 2,804,090,098,112.97/1,888,409.51
  6. Step 6: Final answer
    x = 1,484,895.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.