Home / 4,345,981.20-6,518,939.40-1,313,341.20

Finding the Fourth Proportional to 4,345,981.20, 6,518,939.40 and 1,313,341.20

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Solution

The fourth proportional to 4,345,981.20, 6,518,939.40 and 1,313,341.20 is: 1,970,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345,981.20 : 6,518,939.40 = 1,313,341.20 : x
  2. Step 2: Convert to fraction form
    4,345,981.20/6,518,939.40 = 1,313,341.20/x
  3. Step 3: Cross multiply
    4,345,981.20x = 6,518,939.40 × 1,313,341.20
  4. Step 4: Simplify right side
    4,345,981.20x = 8,561,591,694,323.28
  5. Step 5: Solve for x
    x = 8,561,591,694,323.28/4,345,981.20
  6. Step 6: Final answer
    x = 1,970,002.01

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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.