Home / 5,359,175.40-8,038,763.10-1,992,685.80

Finding the Fourth Proportional to 5,359,175.40, 8,038,763.10 and 1,992,685.80

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Solution

The fourth proportional to 5,359,175.40, 8,038,763.10 and 1,992,685.80 is: 2,989,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359,175.40 : 8,038,763.10 = 1,992,685.80 : x
  2. Step 2: Convert to fraction form
    5,359,175.40/8,038,763.10 = 1,992,685.80/x
  3. Step 3: Cross multiply
    5,359,175.40x = 8,038,763.10 × 1,992,685.80
  4. Step 4: Simplify right side
    5,359,175.40x = 16,018,729,078,933.98
  5. Step 5: Solve for x
    x = 16,018,729,078,933.98/5,359,175.40
  6. Step 6: Final answer
    x = 2,989,028.70

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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.