Home / 5,166,131.88-7,750,377.18-1,572,408.12

Finding the Fourth Proportional to 5,166,131.88, 7,750,377.18 and 1,572,408.12

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Solution

The fourth proportional to 5,166,131.88, 7,750,377.18 and 1,572,408.12 is: 2,358,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166,131.88 : 7,750,377.18 = 1,572,408.12 : x
  2. Step 2: Convert to fraction form
    5,166,131.88/7,750,377.18 = 1,572,408.12/x
  3. Step 3: Cross multiply
    5,166,131.88x = 7,750,377.18 × 1,572,408.12
  4. Step 4: Simplify right side
    5,166,131.88x = 12,186,756,010,894.70
  5. Step 5: Solve for x
    x = 12,186,756,010,894.70/5,166,131.88
  6. Step 6: Final answer
    x = 2,358,971.14

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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.