Home / 1,891,224.42-2,609,877.29-1,075,428.15

Finding the Fourth Proportional to 1,891,224.42, 2,609,877.29 and 1,075,428.15

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Solution

The fourth proportional to 1,891,224.42, 2,609,877.29 and 1,075,428.15 is: 1,484,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,224.42 : 2,609,877.29 = 1,075,428.15 : x
  2. Step 2: Convert to fraction form
    1,891,224.42/2,609,877.29 = 1,075,428.15/x
  3. Step 3: Cross multiply
    1,891,224.42x = 2,609,877.29 × 1,075,428.15
  4. Step 4: Simplify right side
    1,891,224.42x = 2,806,735,500,334.57
  5. Step 5: Solve for x
    x = 2,806,735,500,334.57/1,891,224.42
  6. Step 6: Final answer
    x = 1,484,083.79

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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.