Home / 3,078,428.02-4,248,236.37-1,720,301.02

Finding the Fourth Proportional to 3,078,428.02, 4,248,236.37 and 1,720,301.02

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Solution

The fourth proportional to 3,078,428.02, 4,248,236.37 and 1,720,301.02 is: 2,374,018.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,428.02 : 4,248,236.37 = 1,720,301.02 : x
  2. Step 2: Convert to fraction form
    3,078,428.02/4,248,236.37 = 1,720,301.02/x
  3. Step 3: Cross multiply
    3,078,428.02x = 4,248,236.37 × 1,720,301.02
  4. Step 4: Simplify right side
    3,078,428.02x = 7,308,245,360,512.10
  5. Step 5: Solve for x
    x = 7,308,245,360,512.10/3,078,428.02
  6. Step 6: Final answer
    x = 2,374,018.59

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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.