Home / 6,739,954.80-10,109,932.20-1,947,800.40

Finding the Fourth Proportional to 6,739,954.80, 10,109,932.20 and 1,947,800.40

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Solution

The fourth proportional to 6,739,954.80, 10,109,932.20 and 1,947,800.40 is: 2,921,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,954.80 : 10,109,932.20 = 1,947,800.40 : x
  2. Step 2: Convert to fraction form
    6,739,954.80/10,109,932.20 = 1,947,800.40/x
  3. Step 3: Cross multiply
    6,739,954.80x = 10,109,932.20 × 1,947,800.40
  4. Step 4: Simplify right side
    6,739,954.80x = 19,692,129,983,132.88
  5. Step 5: Solve for x
    x = 19,692,129,983,132.88/6,739,954.80
  6. Step 6: Final answer
    x = 2,921,700.60

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1.5x scale

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.