Home / 1,945,806.18-2,685,008.84-1,129,850.80

Finding the Fourth Proportional to 1,945,806.18, 2,685,008.84 and 1,129,850.80

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Solution

The fourth proportional to 1,945,806.18, 2,685,008.84 and 1,129,850.80 is: 1,559,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,806.18 : 2,685,008.84 = 1,129,850.80 : x
  2. Step 2: Convert to fraction form
    1,945,806.18/2,685,008.84 = 1,129,850.80/x
  3. Step 3: Cross multiply
    1,945,806.18x = 2,685,008.84 × 1,129,850.80
  4. Step 4: Simplify right side
    1,945,806.18x = 3,033,659,385,881.07
  5. Step 5: Solve for x
    x = 3,033,659,385,881.07/1,945,806.18
  6. Step 6: Final answer
    x = 1,559,075.83

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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.