Home / 2,578,214.40-3,558,504.96-1,432,688.64

Finding the Fourth Proportional to 2,578,214.40, 3,558,504.96 and 1,432,688.64

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Solution

The fourth proportional to 2,578,214.40, 3,558,504.96 and 1,432,688.64 is: 1,977,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,214.40 : 3,558,504.96 = 1,432,688.64 : x
  2. Step 2: Convert to fraction form
    2,578,214.40/3,558,504.96 = 1,432,688.64/x
  3. Step 3: Cross multiply
    2,578,214.40x = 3,558,504.96 × 1,432,688.64
  4. Step 4: Simplify right side
    2,578,214.40x = 5,098,229,631,575.65
  5. Step 5: Solve for x
    x = 5,098,229,631,575.65/2,578,214.40
  6. Step 6: Final answer
    x = 1,977,426.56

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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.