Home / 4,579,240.80-6,868,861.20-1,386,609.60

Finding the Fourth Proportional to 4,579,240.80, 6,868,861.20 and 1,386,609.60

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Solution

The fourth proportional to 4,579,240.80, 6,868,861.20 and 1,386,609.60 is: 2,079,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,240.80 : 6,868,861.20 = 1,386,609.60 : x
  2. Step 2: Convert to fraction form
    4,579,240.80/6,868,861.20 = 1,386,609.60/x
  3. Step 3: Cross multiply
    4,579,240.80x = 6,868,861.20 × 1,386,609.60
  4. Step 4: Simplify right side
    4,579,240.80x = 9,524,428,880,987.52
  5. Step 5: Solve for x
    x = 9,524,428,880,987.52/4,579,240.80
  6. Step 6: Final answer
    x = 2,079,914.40

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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.