Home / 6,457,739.55-8,911,571.72-3,557,401.71

Finding the Fourth Proportional to 6,457,739.55, 8,911,571.72 and 3,557,401.71

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Solution

The fourth proportional to 6,457,739.55, 8,911,571.72 and 3,557,401.71 is: 4,909,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,739.55 : 8,911,571.72 = 3,557,401.71 : x
  2. Step 2: Convert to fraction form
    6,457,739.55/8,911,571.72 = 3,557,401.71/x
  3. Step 3: Cross multiply
    6,457,739.55x = 8,911,571.72 × 3,557,401.71
  4. Step 4: Simplify right side
    6,457,739.55x = 31,702,040,457,728.63
  5. Step 5: Solve for x
    x = 31,702,040,457,728.63/6,457,739.55
  6. Step 6: Final answer
    x = 4,909,154.39

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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.