Home / 3,207,822.40-4,811,054.56-1,911,548.64

Finding the Fourth Proportional to 3,207,822.40, 4,811,054.56 and 1,911,548.64

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Solution

The fourth proportional to 3,207,822.40, 4,811,054.56 and 1,911,548.64 is: 2,866,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,822.40 : 4,811,054.56 = 1,911,548.64 : x
  2. Step 2: Convert to fraction form
    3,207,822.40/4,811,054.56 = 1,911,548.64/x
  3. Step 3: Cross multiply
    3,207,822.40x = 4,811,054.56 × 1,911,548.64
  4. Step 4: Simplify right side
    3,207,822.40x = 9,196,564,801,133.80
  5. Step 5: Solve for x
    x = 9,196,564,801,133.80/3,207,822.40
  6. Step 6: Final answer
    x = 2,866,918.32

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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.