Home / 6,983,641.80-10,475,905.50-2,191,520.16

Finding the Fourth Proportional to 6,983,641.80, 10,475,905.50 and 2,191,520.16

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Solution

The fourth proportional to 6,983,641.80, 10,475,905.50 and 2,191,520.16 is: 3,287,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,983,641.80 : 10,475,905.50 = 2,191,520.16 : x
  2. Step 2: Convert to fraction form
    6,983,641.80/10,475,905.50 = 2,191,520.16/x
  3. Step 3: Cross multiply
    6,983,641.80x = 10,475,905.50 × 2,191,520.16
  4. Step 4: Simplify right side
    6,983,641.80x = 22,958,158,097,504.88
  5. Step 5: Solve for x
    x = 22,958,158,097,504.88/6,983,641.80
  6. Step 6: Final answer
    x = 3,287,419.19

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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.