Home / 6,386,561.80-9,579,842.70-4,119,080.20

Finding the Fourth Proportional to 6,386,561.80, 9,579,842.70 and 4,119,080.20

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Solution

The fourth proportional to 6,386,561.80, 9,579,842.70 and 4,119,080.20 is: 6,178,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,561.80 : 9,579,842.70 = 4,119,080.20 : x
  2. Step 2: Convert to fraction form
    6,386,561.80/9,579,842.70 = 4,119,080.20/x
  3. Step 3: Cross multiply
    6,386,561.80x = 9,579,842.70 × 4,119,080.20
  4. Step 4: Simplify right side
    6,386,561.80x = 39,460,140,384,684.54
  5. Step 5: Solve for x
    x = 39,460,140,384,684.54/6,386,561.80
  6. Step 6: Final answer
    x = 6,178,620.30

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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.