Home / 3,490,388.40-5,235,804.02-1,692,789.20

Finding the Fourth Proportional to 3,490,388.40, 5,235,804.02 and 1,692,789.20

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Solution

The fourth proportional to 3,490,388.40, 5,235,804.02 and 1,692,789.20 is: 2,539,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490,388.40 : 5,235,804.02 = 1,692,789.20 : x
  2. Step 2: Convert to fraction form
    3,490,388.40/5,235,804.02 = 1,692,789.20/x
  3. Step 3: Cross multiply
    3,490,388.40x = 5,235,804.02 × 1,692,789.20
  4. Step 4: Simplify right side
    3,490,388.40x = 8,863,112,498,372.58
  5. Step 5: Solve for x
    x = 8,863,112,498,372.58/3,490,388.40
  6. Step 6: Final answer
    x = 2,539,291.19

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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.