Home / 4,990,148.20-7,485,222.30-4,139,842.60

Finding the Fourth Proportional to 4,990,148.20, 7,485,222.30 and 4,139,842.60

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Solution

The fourth proportional to 4,990,148.20, 7,485,222.30 and 4,139,842.60 is: 6,209,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990,148.20 : 7,485,222.30 = 4,139,842.60 : x
  2. Step 2: Convert to fraction form
    4,990,148.20/7,485,222.30 = 4,139,842.60/x
  3. Step 3: Cross multiply
    4,990,148.20x = 7,485,222.30 × 4,139,842.60
  4. Step 4: Simplify right side
    4,990,148.20x = 30,987,642,148,009.98
  5. Step 5: Solve for x
    x = 30,987,642,148,009.98/4,990,148.20
  6. Step 6: Final answer
    x = 6,209,763.90

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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.