Home / 6,435,600.12-9,653,394.60-1,643,290.20

Finding the Fourth Proportional to 6,435,600.12, 9,653,394.60 and 1,643,290.20

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Solution

The fourth proportional to 6,435,600.12, 9,653,394.60 and 1,643,290.20 is: 2,464,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435,600.12 : 9,653,394.60 = 1,643,290.20 : x
  2. Step 2: Convert to fraction form
    6,435,600.12/9,653,394.60 = 1,643,290.20/x
  3. Step 3: Cross multiply
    6,435,600.12x = 9,653,394.60 × 1,643,290.20
  4. Step 4: Simplify right side
    6,435,600.12x = 15,863,328,742,912.92
  5. Step 5: Solve for x
    x = 15,863,328,742,912.92/6,435,600.12
  6. Step 6: Final answer
    x = 2,464,933.88

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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.