Home / 5,186,401.55-7,777,920.16-1,727,220.00

Finding the Fourth Proportional to 5,186,401.55, 7,777,920.16 and 1,727,220.00

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Solution

The fourth proportional to 5,186,401.55, 7,777,920.16 and 1,727,220.00 is: 2,590,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,401.55 : 7,777,920.16 = 1,727,220.00 : x
  2. Step 2: Convert to fraction form
    5,186,401.55/7,777,920.16 = 1,727,220.00/x
  3. Step 3: Cross multiply
    5,186,401.55x = 7,777,920.16 × 1,727,220.00
  4. Step 4: Simplify right side
    5,186,401.55x = 13,434,179,280,365.81
  5. Step 5: Solve for x
    x = 13,434,179,280,365.81/5,186,401.55
  6. Step 6: Final answer
    x = 2,590,269.80

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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.