Home / 5,427,461.40-8,142,372.90-1,640,845.40

Finding the Fourth Proportional to 5,427,461.40, 8,142,372.90 and 1,640,845.40

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Solution

The fourth proportional to 5,427,461.40, 8,142,372.90 and 1,640,845.40 is: 2,461,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,461.40 : 8,142,372.90 = 1,640,845.40 : x
  2. Step 2: Convert to fraction form
    5,427,461.40/8,142,372.90 = 1,640,845.40/x
  3. Step 3: Cross multiply
    5,427,461.40x = 8,142,372.90 × 1,640,845.40
  4. Step 4: Simplify right side
    5,427,461.40x = 13,360,375,118,049.66
  5. Step 5: Solve for x
    x = 13,360,375,118,049.66/5,427,461.40
  6. Step 6: Final answer
    x = 2,461,625.08

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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.