Home / 5,190,616.65-7,163,255.85-2,985,475.93

Finding the Fourth Proportional to 5,190,616.65, 7,163,255.85 and 2,985,475.93

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Solution

The fourth proportional to 5,190,616.65, 7,163,255.85 and 2,985,475.93 is: 4,120,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,616.65 : 7,163,255.85 = 2,985,475.93 : x
  2. Step 2: Convert to fraction form
    5,190,616.65/7,163,255.85 = 2,985,475.93/x
  3. Step 3: Cross multiply
    5,190,616.65x = 7,163,255.85 × 2,985,475.93
  4. Step 4: Simplify right side
    5,190,616.65x = 21,385,727,920,606.69
  5. Step 5: Solve for x
    x = 21,385,727,920,606.69/5,190,616.65
  6. Step 6: Final answer
    x = 4,120,074.62

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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.