Home / 3,078,867.68-4,248,826.80-1,720,740.68

Finding the Fourth Proportional to 3,078,867.68, 4,248,826.80 and 1,720,740.68

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Solution

The fourth proportional to 3,078,867.68, 4,248,826.80 and 1,720,740.68 is: 2,374,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,867.68 : 4,248,826.80 = 1,720,740.68 : x
  2. Step 2: Convert to fraction form
    3,078,867.68/4,248,826.80 = 1,720,740.68/x
  3. Step 3: Cross multiply
    3,078,867.68x = 4,248,826.80 × 1,720,740.68
  4. Step 4: Simplify right side
    3,078,867.68x = 7,311,129,114,949.58
  5. Step 5: Solve for x
    x = 7,311,129,114,949.58/3,078,867.68
  6. Step 6: Final answer
    x = 2,374,616.22

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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.