Home / 1,958,139.26-2,939,356.87-1,555,917.16

Finding the Fourth Proportional to 1,958,139.26, 2,939,356.87 and 1,555,917.16

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Solution

The fourth proportional to 1,958,139.26, 2,939,356.87 and 1,555,917.16 is: 2,335,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958,139.26 : 2,939,356.87 = 1,555,917.16 : x
  2. Step 2: Convert to fraction form
    1,958,139.26/2,939,356.87 = 1,555,917.16/x
  3. Step 3: Cross multiply
    1,958,139.26x = 2,939,356.87 × 1,555,917.16
  4. Step 4: Simplify right side
    1,958,139.26x = 4,573,395,787,670.00
  5. Step 5: Solve for x
    x = 4,573,395,787,670.00/1,958,139.26
  6. Step 6: Final answer
    x = 2,335,582.49

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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.