Home / 2,637,986.40-3,957,627.60-744,703.20

Finding the Fourth Proportional to 2,637,986.40, 3,957,627.60 and 744,703.20

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Solution

The fourth proportional to 2,637,986.40, 3,957,627.60 and 744,703.20 is: 1,117,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,986.40 : 3,957,627.60 = 744,703.20 : x
  2. Step 2: Convert to fraction form
    2,637,986.40/3,957,627.60 = 744,703.20/x
  3. Step 3: Cross multiply
    2,637,986.40x = 3,957,627.60 × 744,703.20
  4. Step 4: Simplify right side
    2,637,986.40x = 2,947,257,938,128.32
  5. Step 5: Solve for x
    x = 2,947,257,938,128.32/2,637,986.40
  6. Step 6: Final answer
    x = 1,117,237.73

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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.