Home / 2,141,484.64-3,212,702.16-645,468.64

Finding the Fourth Proportional to 2,141,484.64, 3,212,702.16 and 645,468.64

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Solution

The fourth proportional to 2,141,484.64, 3,212,702.16 and 645,468.64 is: 968,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,484.64 : 3,212,702.16 = 645,468.64 : x
  2. Step 2: Convert to fraction form
    2,141,484.64/3,212,702.16 = 645,468.64/x
  3. Step 3: Cross multiply
    2,141,484.64x = 3,212,702.16 × 645,468.64
  4. Step 4: Simplify right side
    2,141,484.64x = 2,073,698,493,940.26
  5. Step 5: Solve for x
    x = 2,073,698,493,940.26/2,141,484.64
  6. Step 6: Final answer
    x = 968,346.19

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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.