Home / 1,686,907.35-2,527,561.67-1,187,221.59

Finding the Fourth Proportional to 1,686,907.35, 2,527,561.67 and 1,187,221.59

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Solution

The fourth proportional to 1,686,907.35, 2,527,561.67 and 1,187,221.59 is: 1,778,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,907.35 : 2,527,561.67 = 1,187,221.59 : x
  2. Step 2: Convert to fraction form
    1,686,907.35/2,527,561.67 = 1,187,221.59/x
  3. Step 3: Cross multiply
    1,686,907.35x = 2,527,561.67 × 1,187,221.59
  4. Step 4: Simplify right side
    1,686,907.35x = 3,000,775,778,744.35
  5. Step 5: Solve for x
    x = 3,000,775,778,744.35/1,686,907.35
  6. Step 6: Final answer
    x = 1,778,862.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.