Home / 4,478,108.60-6,715,243.54-2,081,703.16

Finding the Fourth Proportional to 4,478,108.60, 6,715,243.54 and 2,081,703.16

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Solution

The fourth proportional to 4,478,108.60, 6,715,243.54 and 2,081,703.16 is: 3,121,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478,108.60 : 6,715,243.54 = 2,081,703.16 : x
  2. Step 2: Convert to fraction form
    4,478,108.60/6,715,243.54 = 2,081,703.16/x
  3. Step 3: Cross multiply
    4,478,108.60x = 6,715,243.54 × 2,081,703.16
  4. Step 4: Simplify right side
    4,478,108.60x = 13,979,143,697,387.59
  5. Step 5: Solve for x
    x = 13,979,143,697,387.59/4,478,108.60
  6. Step 6: Final answer
    x = 3,121,662.50

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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.