Home / 6,740,000.80-10,110,001.20-1,947,846.40

Finding the Fourth Proportional to 6,740,000.80, 10,110,001.20 and 1,947,846.40

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Solution

The fourth proportional to 6,740,000.80, 10,110,001.20 and 1,947,846.40 is: 2,921,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740,000.80 : 10,110,001.20 = 1,947,846.40 : x
  2. Step 2: Convert to fraction form
    6,740,000.80/10,110,001.20 = 1,947,846.40/x
  3. Step 3: Cross multiply
    6,740,000.80x = 10,110,001.20 × 1,947,846.40
  4. Step 4: Simplify right side
    6,740,000.80x = 19,692,729,441,415.68
  5. Step 5: Solve for x
    x = 19,692,729,441,415.68/6,740,000.80
  6. Step 6: Final answer
    x = 2,921,769.60

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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.