Home / 4,219,998.55-6,329,335.07-1,340,986.32

Finding the Fourth Proportional to 4,219,998.55, 6,329,335.07 and 1,340,986.32

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Solution

The fourth proportional to 4,219,998.55, 6,329,335.07 and 1,340,986.32 is: 2,011,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219,998.55 : 6,329,335.07 = 1,340,986.32 : x
  2. Step 2: Convert to fraction form
    4,219,998.55/6,329,335.07 = 1,340,986.32/x
  3. Step 3: Cross multiply
    4,219,998.55x = 6,329,335.07 × 1,340,986.32
  4. Step 4: Simplify right side
    4,219,998.55x = 8,487,551,746,918.71
  5. Step 5: Solve for x
    x = 8,487,551,746,918.71/4,219,998.55
  6. Step 6: Final answer
    x = 2,011,268.88

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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.