Home / 2,640,627.45-3,960,472.95-1,200,973.64

Finding the Fourth Proportional to 2,640,627.45, 3,960,472.95 and 1,200,973.64

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Solution

The fourth proportional to 2,640,627.45, 3,960,472.95 and 1,200,973.64 is: 1,801,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,627.45 : 3,960,472.95 = 1,200,973.64 : x
  2. Step 2: Convert to fraction form
    2,640,627.45/3,960,472.95 = 1,200,973.64/x
  3. Step 3: Cross multiply
    2,640,627.45x = 3,960,472.95 × 1,200,973.64
  4. Step 4: Simplify right side
    2,640,627.45x = 4,756,423,595,080.67
  5. Step 5: Solve for x
    x = 4,756,423,595,080.67/2,640,627.45
  6. Step 6: Final answer
    x = 1,801,247.50

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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.