Home / 5,429,237.49-8,144,857.40-1,786,172.38

Finding the Fourth Proportional to 5,429,237.49, 8,144,857.40 and 1,786,172.38

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Solution

The fourth proportional to 5,429,237.49, 8,144,857.40 and 1,786,172.38 is: 2,679,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,237.49 : 8,144,857.40 = 1,786,172.38 : x
  2. Step 2: Convert to fraction form
    5,429,237.49/8,144,857.40 = 1,786,172.38/x
  3. Step 3: Cross multiply
    5,429,237.49x = 8,144,857.40 × 1,786,172.38
  4. Step 4: Simplify right side
    5,429,237.49x = 14,548,119,297,625.61
  5. Step 5: Solve for x
    x = 14,548,119,297,625.61/5,429,237.49
  6. Step 6: Final answer
    x = 2,679,587.94

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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.