Home / 5,211,033.95-7,191,513.92-2,887,877.61

Finding the Fourth Proportional to 5,211,033.95, 7,191,513.92 and 2,887,877.61

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Solution

The fourth proportional to 5,211,033.95, 7,191,513.92 and 2,887,877.61 is: 3,985,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211,033.95 : 7,191,513.92 = 2,887,877.61 : x
  2. Step 2: Convert to fraction form
    5,211,033.95/7,191,513.92 = 2,887,877.61/x
  3. Step 3: Cross multiply
    5,211,033.95x = 7,191,513.92 × 2,887,877.61
  4. Step 4: Simplify right side
    5,211,033.95x = 20,768,212,038,791.02
  5. Step 5: Solve for x
    x = 20,768,212,038,791.02/5,211,033.95
  6. Step 6: Final answer
    x = 3,985,430.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.