Home / 4,986,665.13-7,479,999.32-1,200,148.01

Finding the Fourth Proportional to 4,986,665.13, 7,479,999.32 and 1,200,148.01

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Solution

The fourth proportional to 4,986,665.13, 7,479,999.32 and 1,200,148.01 is: 1,800,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,665.13 : 7,479,999.32 = 1,200,148.01 : x
  2. Step 2: Convert to fraction form
    4,986,665.13/7,479,999.32 = 1,200,148.01/x
  3. Step 3: Cross multiply
    4,986,665.13x = 7,479,999.32 × 1,200,148.01
  4. Step 4: Simplify right side
    4,986,665.13x = 8,977,106,255,298.62
  5. Step 5: Solve for x
    x = 8,977,106,255,298.62/4,986,665.13
  6. Step 6: Final answer
    x = 1,800,222.40

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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.