Home / 1,931,841.60-2,894,997.60-1,422,427.20

Finding the Fourth Proportional to 1,931,841.60, 2,894,997.60 and 1,422,427.20

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Solution

The fourth proportional to 1,931,841.60, 2,894,997.60 and 1,422,427.20 is: 2,131,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,841.60 : 2,894,997.60 = 1,422,427.20 : x
  2. Step 2: Convert to fraction form
    1,931,841.60/2,894,997.60 = 1,422,427.20/x
  3. Step 3: Cross multiply
    1,931,841.60x = 2,894,997.60 × 1,422,427.20
  4. Step 4: Simplify right side
    1,931,841.60x = 4,117,923,330,174.72
  5. Step 5: Solve for x
    x = 4,117,923,330,174.72/1,931,841.60
  6. Step 6: Final answer
    x = 2,131,605.06

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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.