Home / 6,480,617.60-9,720,926.40-1,992,893.60

Finding the Fourth Proportional to 6,480,617.60, 9,720,926.40 and 1,992,893.60

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Solution

The fourth proportional to 6,480,617.60, 9,720,926.40 and 1,992,893.60 is: 2,989,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,617.60 : 9,720,926.40 = 1,992,893.60 : x
  2. Step 2: Convert to fraction form
    6,480,617.60/9,720,926.40 = 1,992,893.60/x
  3. Step 3: Cross multiply
    6,480,617.60x = 9,720,926.40 × 1,992,893.60
  4. Step 4: Simplify right side
    6,480,617.60x = 19,372,772,008,631.04
  5. Step 5: Solve for x
    x = 19,372,772,008,631.04/6,480,617.60
  6. Step 6: Final answer
    x = 2,989,340.40

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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.