Home / 4,921,475.10-7,382,212.65-3,118,512.30

Finding the Fourth Proportional to 4,921,475.10, 7,382,212.65 and 3,118,512.30

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Solution

The fourth proportional to 4,921,475.10, 7,382,212.65 and 3,118,512.30 is: 4,677,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,475.10 : 7,382,212.65 = 3,118,512.30 : x
  2. Step 2: Convert to fraction form
    4,921,475.10/7,382,212.65 = 3,118,512.30/x
  3. Step 3: Cross multiply
    4,921,475.10x = 7,382,212.65 × 3,118,512.30
  4. Step 4: Simplify right side
    4,921,475.10x = 23,021,520,950,240.59
  5. Step 5: Solve for x
    x = 23,021,520,950,240.59/4,921,475.10
  6. Step 6: Final answer
    x = 4,677,768.45

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1.5x scale

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.