Home / 3,108,720.69-4,663,709.64-1,311,608.52

Finding the Fourth Proportional to 3,108,720.69, 4,663,709.64 and 1,311,608.52

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Solution

The fourth proportional to 3,108,720.69, 4,663,709.64 and 1,311,608.52 is: 1,967,678.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,720.69 : 4,663,709.64 = 1,311,608.52 : x
  2. Step 2: Convert to fraction form
    3,108,720.69/4,663,709.64 = 1,311,608.52/x
  3. Step 3: Cross multiply
    3,108,720.69x = 4,663,709.64 × 1,311,608.52
  4. Step 4: Simplify right side
    3,108,720.69x = 6,116,961,298,630.13
  5. Step 5: Solve for x
    x = 6,116,961,298,630.13/3,108,720.69
  6. Step 6: Final answer
    x = 1,967,678.00

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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.