Home / 5,173,193.25-7,139,008.80-2,998,996.92

Finding the Fourth Proportional to 5,173,193.25, 7,139,008.80 and 2,998,996.92

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Solution

The fourth proportional to 5,173,193.25, 7,139,008.80 and 2,998,996.92 is: 4,138,616.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,193.25 : 7,139,008.80 = 2,998,996.92 : x
  2. Step 2: Convert to fraction form
    5,173,193.25/7,139,008.80 = 2,998,996.92/x
  3. Step 3: Cross multiply
    5,173,193.25x = 7,139,008.80 × 2,998,996.92
  4. Step 4: Simplify right side
    5,173,193.25x = 21,409,865,403,052.89
  5. Step 5: Solve for x
    x = 21,409,865,403,052.89/5,173,193.25
  6. Step 6: Final answer
    x = 4,138,616.98

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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.