Home / 4,345,784.20-6,518,643.90-1,313,144.20

Finding the Fourth Proportional to 4,345,784.20, 6,518,643.90 and 1,313,144.20

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Solution

The fourth proportional to 4,345,784.20, 6,518,643.90 and 1,313,144.20 is: 1,969,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,784.20 : 6,518,643.90 = 1,313,144.20 : x
  2. Step 2: Convert to fraction form
    4,345,784.20/6,518,643.90 = 1,313,144.20/x
  3. Step 3: Cross multiply
    4,345,784.20x = 6,518,643.90 × 1,313,144.20
  4. Step 4: Simplify right side
    4,345,784.20x = 8,559,919,429,150.38
  5. Step 5: Solve for x
    x = 8,559,919,429,150.38/4,345,784.20
  6. Step 6: Final answer
    x = 1,969,706.51

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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.