Home / 4,745,548.90-7,118,655.36-1,905,661

Finding the Fourth Proportional to 4,745,548.90, 7,118,655.36 and 1,905,661

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Solution

The fourth proportional to 4,745,548.90, 7,118,655.36 and 1,905,661 is: 2,858,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745,548.90 : 7,118,655.36 = 1,905,661 : x
  2. Step 2: Convert to fraction form
    4,745,548.90/7,118,655.36 = 1,905,661/x
  3. Step 3: Cross multiply
    4,745,548.90x = 7,118,655.36 × 1,905,661
  4. Step 4: Simplify right side
    4,745,548.90x = 13,565,743,891,992.96
  5. Step 5: Solve for x
    x = 13,565,743,891,992.96/4,745,548.90
  6. Step 6: Final answer
    x = 2,858,624.82

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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.