Home / 1,661,685.17-2,293,131.80-1,050,109.72

Finding the Fourth Proportional to 1,661,685.17, 2,293,131.80 and 1,050,109.72

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Solution

The fourth proportional to 1,661,685.17, 2,293,131.80 and 1,050,109.72 is: 1,449,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,685.17 : 2,293,131.80 = 1,050,109.72 : x
  2. Step 2: Convert to fraction form
    1,661,685.17/2,293,131.80 = 1,050,109.72/x
  3. Step 3: Cross multiply
    1,661,685.17x = 2,293,131.80 × 1,050,109.72
  4. Step 4: Simplify right side
    1,661,685.17x = 2,408,039,992,421.10
  5. Step 5: Solve for x
    x = 2,408,039,992,421.10/1,661,685.17
  6. Step 6: Final answer
    x = 1,449,155.37

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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.