Home / 2,652,157.20-3,968,904.60-2,428,208.40

Finding the Fourth Proportional to 2,652,157.20, 3,968,904.60 and 2,428,208.40

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Solution

The fourth proportional to 2,652,157.20, 3,968,904.60 and 2,428,208.40 is: 3,633,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,157.20 : 3,968,904.60 = 2,428,208.40 : x
  2. Step 2: Convert to fraction form
    2,652,157.20/3,968,904.60 = 2,428,208.40/x
  3. Step 3: Cross multiply
    2,652,157.20x = 3,968,904.60 × 2,428,208.40
  4. Step 4: Simplify right side
    2,652,157.20x = 9,637,327,488,518.64
  5. Step 5: Solve for x
    x = 9,637,327,488,518.64/2,652,157.20
  6. Step 6: Final answer
    x = 3,633,769.33

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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.