Home / 3,106,381.96-4,657,670.10-1,210,909

Finding the Fourth Proportional to 3,106,381.96, 4,657,670.10 and 1,210,909

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Solution

The fourth proportional to 3,106,381.96, 4,657,670.10 and 1,210,909 is: 1,815,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,381.96 : 4,657,670.10 = 1,210,909 : x
  2. Step 2: Convert to fraction form
    3,106,381.96/4,657,670.10 = 1,210,909/x
  3. Step 3: Cross multiply
    3,106,381.96x = 4,657,670.10 × 1,210,909
  4. Step 4: Simplify right side
    3,106,381.96x = 5,640,014,643,120.90
  5. Step 5: Solve for x
    x = 5,640,014,643,120.90/3,106,381.96
  6. Step 6: Final answer
    x = 1,815,621.75

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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.