Home / 4,993,261.34-6,890,632.57-2,788,158.21

Finding the Fourth Proportional to 4,993,261.34, 6,890,632.57 and 2,788,158.21

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Solution

The fourth proportional to 4,993,261.34, 6,890,632.57 and 2,788,158.21 is: 3,847,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993,261.34 : 6,890,632.57 = 2,788,158.21 : x
  2. Step 2: Convert to fraction form
    4,993,261.34/6,890,632.57 = 2,788,158.21/x
  3. Step 3: Cross multiply
    4,993,261.34x = 6,890,632.57 × 2,788,158.21
  4. Step 4: Simplify right side
    4,993,261.34x = 19,212,173,749,784.22
  5. Step 5: Solve for x
    x = 19,212,173,749,784.22/4,993,261.34
  6. Step 6: Final answer
    x = 3,847,620.31

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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.