Home / 3,364,288.40-4,642,555.82-1,913,847.32

Finding the Fourth Proportional to 3,364,288.40, 4,642,555.82 and 1,913,847.32

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Solution

The fourth proportional to 3,364,288.40, 4,642,555.82 and 1,913,847.32 is: 2,641,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364,288.40 : 4,642,555.82 = 1,913,847.32 : x
  2. Step 2: Convert to fraction form
    3,364,288.40/4,642,555.82 = 1,913,847.32/x
  3. Step 3: Cross multiply
    3,364,288.40x = 4,642,555.82 × 1,913,847.32
  4. Step 4: Simplify right side
    3,364,288.40x = 8,885,143,014,057.40
  5. Step 5: Solve for x
    x = 8,885,143,014,057.40/3,364,288.40
  6. Step 6: Final answer
    x = 2,641,017.05

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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.