Home / 1,986,011.70-2,740,615.44-1,126,553.51

Finding the Fourth Proportional to 1,986,011.70, 2,740,615.44 and 1,126,553.51

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Solution

The fourth proportional to 1,986,011.70, 2,740,615.44 and 1,126,553.51 is: 1,554,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,011.70 : 2,740,615.44 = 1,126,553.51 : x
  2. Step 2: Convert to fraction form
    1,986,011.70/2,740,615.44 = 1,126,553.51/x
  3. Step 3: Cross multiply
    1,986,011.70x = 2,740,615.44 × 1,126,553.51
  4. Step 4: Simplify right side
    1,986,011.70x = 3,087,449,943,492.19
  5. Step 5: Solve for x
    x = 3,087,449,943,492.19/1,986,011.70
  6. Step 6: Final answer
    x = 1,554,598.06

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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.