Home / 1,891,119.45-2,609,732.71-1,075,323.33

Finding the Fourth Proportional to 1,891,119.45, 2,609,732.71 and 1,075,323.33

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Solution

The fourth proportional to 1,891,119.45, 2,609,732.71 and 1,075,323.33 is: 1,483,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,119.45 : 2,609,732.71 = 1,075,323.33 : x
  2. Step 2: Convert to fraction form
    1,891,119.45/2,609,732.71 = 1,075,323.33/x
  3. Step 3: Cross multiply
    1,891,119.45x = 2,609,732.71 × 1,075,323.33
  4. Step 4: Simplify right side
    1,891,119.45x = 2,806,306,468,127.12
  5. Step 5: Solve for x
    x = 2,806,306,468,127.12/1,891,119.45
  6. Step 6: Final answer
    x = 1,483,939.30

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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.