Home / 2,205,341.51-3,308,471.46-688,963.19

Finding the Fourth Proportional to 2,205,341.51, 3,308,471.46 and 688,963.19

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Solution

The fourth proportional to 2,205,341.51, 3,308,471.46 and 688,963.19 is: 1,033,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,341.51 : 3,308,471.46 = 688,963.19 : x
  2. Step 2: Convert to fraction form
    2,205,341.51/3,308,471.46 = 688,963.19/x
  3. Step 3: Cross multiply
    2,205,341.51x = 3,308,471.46 × 688,963.19
  4. Step 4: Simplify right side
    2,205,341.51x = 2,279,415,034,563.20
  5. Step 5: Solve for x
    x = 2,279,415,034,563.20/2,205,341.51
  6. Step 6: Final answer
    x = 1,033,588.24

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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.