Home / 6,876,752.80-10,315,129.20-1,828,573.60

Finding the Fourth Proportional to 6,876,752.80, 10,315,129.20 and 1,828,573.60

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Solution

The fourth proportional to 6,876,752.80, 10,315,129.20 and 1,828,573.60 is: 2,742,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,752.80 : 10,315,129.20 = 1,828,573.60 : x
  2. Step 2: Convert to fraction form
    6,876,752.80/10,315,129.20 = 1,828,573.60/x
  3. Step 3: Cross multiply
    6,876,752.80x = 10,315,129.20 × 1,828,573.60
  4. Step 4: Simplify right side
    6,876,752.80x = 18,861,972,935,709.12
  5. Step 5: Solve for x
    x = 18,861,972,935,709.12/6,876,752.80
  6. Step 6: Final answer
    x = 2,742,860.40

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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.