Home / 3,078,436.02-4,248,247.41-1,720,309.02

Finding the Fourth Proportional to 3,078,436.02, 4,248,247.41 and 1,720,309.02

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Solution

The fourth proportional to 3,078,436.02, 4,248,247.41 and 1,720,309.02 is: 2,374,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,436.02 : 4,248,247.41 = 1,720,309.02 : x
  2. Step 2: Convert to fraction form
    3,078,436.02/4,248,247.41 = 1,720,309.02/x
  3. Step 3: Cross multiply
    3,078,436.02x = 4,248,247.41 × 1,720,309.02
  4. Step 4: Simplify right side
    3,078,436.02x = 7,308,298,338,614.64
  5. Step 5: Solve for x
    x = 7,308,298,338,614.64/3,078,436.02
  6. Step 6: Final answer
    x = 2,374,029.63

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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.