Home / 2,128,005.60-3,192,008.40-1,652,114.40

Finding the Fourth Proportional to 2,128,005.60, 3,192,008.40 and 1,652,114.40

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Solution

The fourth proportional to 2,128,005.60, 3,192,008.40 and 1,652,114.40 is: 2,478,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,005.60 : 3,192,008.40 = 1,652,114.40 : x
  2. Step 2: Convert to fraction form
    2,128,005.60/3,192,008.40 = 1,652,114.40/x
  3. Step 3: Cross multiply
    2,128,005.60x = 3,192,008.40 × 1,652,114.40
  4. Step 4: Simplify right side
    2,128,005.60x = 5,273,563,042,560.96
  5. Step 5: Solve for x
    x = 5,273,563,042,560.96/2,128,005.60
  6. Step 6: Final answer
    x = 2,478,171.60

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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.