Home / 6,511,999.80-9,767,999.70-1,784,191.80

Finding the Fourth Proportional to 6,511,999.80, 9,767,999.70 and 1,784,191.80

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Solution

The fourth proportional to 6,511,999.80, 9,767,999.70 and 1,784,191.80 is: 2,676,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511,999.80 : 9,767,999.70 = 1,784,191.80 : x
  2. Step 2: Convert to fraction form
    6,511,999.80/9,767,999.70 = 1,784,191.80/x
  3. Step 3: Cross multiply
    6,511,999.80x = 9,767,999.70 × 1,784,191.80
  4. Step 4: Simplify right side
    6,511,999.80x = 17,427,984,967,142.46
  5. Step 5: Solve for x
    x = 17,427,984,967,142.46/6,511,999.80
  6. Step 6: Final answer
    x = 2,676,287.70

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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.