Home / 1,891,210.74-2,609,858.43-1,075,414.56

Finding the Fourth Proportional to 1,891,210.74, 2,609,858.43 and 1,075,414.56

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Solution

The fourth proportional to 1,891,210.74, 2,609,858.43 and 1,075,414.56 is: 1,484,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,210.74 : 2,609,858.43 = 1,075,414.56 : x
  2. Step 2: Convert to fraction form
    1,891,210.74/2,609,858.43 = 1,075,414.56/x
  3. Step 3: Cross multiply
    1,891,210.74x = 2,609,858.43 × 1,075,414.56
  4. Step 4: Simplify right side
    1,891,210.74x = 2,806,679,755,160.74
  5. Step 5: Solve for x
    x = 2,806,679,755,160.74/1,891,210.74
  6. Step 6: Final answer
    x = 1,484,065.05

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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.