Home / 1,888,887.91-2,606,589.42-1,029,429.71

Finding the Fourth Proportional to 1,888,887.91, 2,606,589.42 and 1,029,429.71

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Solution

The fourth proportional to 1,888,887.91, 2,606,589.42 and 1,029,429.71 is: 1,420,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,887.91 : 2,606,589.42 = 1,029,429.71 : x
  2. Step 2: Convert to fraction form
    1,888,887.91/2,606,589.42 = 1,029,429.71/x
  3. Step 3: Cross multiply
    1,888,887.91x = 2,606,589.42 × 1,029,429.71
  4. Step 4: Simplify right side
    1,888,887.91x = 2,683,300,590,719.67
  5. Step 5: Solve for x
    x = 2,683,300,590,719.67/1,888,887.91
  6. Step 6: Final answer
    x = 1,420,571.64

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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.