Home / 3,346,705.82-4,618,489.66-1,818,812.90

Finding the Fourth Proportional to 3,346,705.82, 4,618,489.66 and 1,818,812.90

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Solution

The fourth proportional to 3,346,705.82, 4,618,489.66 and 1,818,812.90 is: 2,509,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346,705.82 : 4,618,489.66 = 1,818,812.90 : x
  2. Step 2: Convert to fraction form
    3,346,705.82/4,618,489.66 = 1,818,812.90/x
  3. Step 3: Cross multiply
    3,346,705.82x = 4,618,489.66 × 1,818,812.90
  4. Step 4: Simplify right side
    3,346,705.82x = 8,400,168,572,124.61
  5. Step 5: Solve for x
    x = 8,400,168,572,124.61/3,346,705.82
  6. Step 6: Final answer
    x = 2,509,981.16

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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.