Home / 4,050,979.20-6,077,149.20-1,211,378.40

Finding the Fourth Proportional to 4,050,979.20, 6,077,149.20 and 1,211,378.40

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Solution

The fourth proportional to 4,050,979.20, 6,077,149.20 and 1,211,378.40 is: 1,817,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050,979.20 : 6,077,149.20 = 1,211,378.40 : x
  2. Step 2: Convert to fraction form
    4,050,979.20/6,077,149.20 = 1,211,378.40/x
  3. Step 3: Cross multiply
    4,050,979.20x = 6,077,149.20 × 1,211,378.40
  4. Step 4: Simplify right side
    4,050,979.20x = 7,361,727,274,457.28
  5. Step 5: Solve for x
    x = 7,361,727,274,457.28/4,050,979.20
  6. Step 6: Final answer
    x = 1,817,271.06

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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.