Home / 5,438,086.40-8,157,129.60-3,312,322.40

Finding the Fourth Proportional to 5,438,086.40, 8,157,129.60 and 3,312,322.40

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Solution

The fourth proportional to 5,438,086.40, 8,157,129.60 and 3,312,322.40 is: 4,968,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,086.40 : 8,157,129.60 = 3,312,322.40 : x
  2. Step 2: Convert to fraction form
    5,438,086.40/8,157,129.60 = 3,312,322.40/x
  3. Step 3: Cross multiply
    5,438,086.40x = 8,157,129.60 × 3,312,322.40
  4. Step 4: Simplify right side
    5,438,086.40x = 27,019,043,093,783.04
  5. Step 5: Solve for x
    x = 27,019,043,093,783.04/5,438,086.40
  6. Step 6: Final answer
    x = 4,968,483.60

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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.