Home / 2,184,172.11-3,014,172.47-1,217,364.62

Finding the Fourth Proportional to 2,184,172.11, 3,014,172.47 and 1,217,364.62

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Solution

The fourth proportional to 2,184,172.11, 3,014,172.47 and 1,217,364.62 is: 1,679,971.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184,172.11 : 3,014,172.47 = 1,217,364.62 : x
  2. Step 2: Convert to fraction form
    2,184,172.11/3,014,172.47 = 1,217,364.62/x
  3. Step 3: Cross multiply
    2,184,172.11x = 3,014,172.47 × 1,217,364.62
  4. Step 4: Simplify right side
    2,184,172.11x = 3,669,346,911,528.56
  5. Step 5: Solve for x
    x = 3,669,346,911,528.56/2,184,172.11
  6. Step 6: Final answer
    x = 1,679,971.51

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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.