Home / 5,386,539.80-8,079,809.70-4,181,940.20

Finding the Fourth Proportional to 5,386,539.80, 8,079,809.70 and 4,181,940.20

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Solution

The fourth proportional to 5,386,539.80, 8,079,809.70 and 4,181,940.20 is: 6,272,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386,539.80 : 8,079,809.70 = 4,181,940.20 : x
  2. Step 2: Convert to fraction form
    5,386,539.80/8,079,809.70 = 4,181,940.20/x
  3. Step 3: Cross multiply
    5,386,539.80x = 8,079,809.70 × 4,181,940.20
  4. Step 4: Simplify right side
    5,386,539.80x = 33,789,280,992,779.94
  5. Step 5: Solve for x
    x = 33,789,280,992,779.94/5,386,539.80
  6. Step 6: Final answer
    x = 6,272,910.30

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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.