Home / 2,084,501.20-2,878,406.94-1,311,420.62

Finding the Fourth Proportional to 2,084,501.20, 2,878,406.94 and 1,311,420.62

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Solution

The fourth proportional to 2,084,501.20, 2,878,406.94 and 1,311,420.62 is: 1,810,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,501.20 : 2,878,406.94 = 1,311,420.62 : x
  2. Step 2: Convert to fraction form
    2,084,501.20/2,878,406.94 = 1,311,420.62/x
  3. Step 3: Cross multiply
    2,084,501.20x = 2,878,406.94 × 1,311,420.62
  4. Step 4: Simplify right side
    2,084,501.20x = 3,774,802,223,613.14
  5. Step 5: Solve for x
    x = 3,774,802,223,613.14/2,084,501.20
  6. Step 6: Final answer
    x = 1,810,889.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.