Home / 2,079,642.53-2,869,853.82-1,161,878.56

Finding the Fourth Proportional to 2,079,642.53, 2,869,853.82 and 1,161,878.56

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Solution

The fourth proportional to 2,079,642.53, 2,869,853.82 and 1,161,878.56 is: 1,603,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,642.53 : 2,869,853.82 = 1,161,878.56 : x
  2. Step 2: Convert to fraction form
    2,079,642.53/2,869,853.82 = 1,161,878.56/x
  3. Step 3: Cross multiply
    2,079,642.53x = 2,869,853.82 × 1,161,878.56
  4. Step 4: Simplify right side
    2,079,642.53x = 3,334,421,623,792.10
  5. Step 5: Solve for x
    x = 3,334,421,623,792.10/2,079,642.53
  6. Step 6: Final answer
    x = 1,603,362.87

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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.