Home / 3,860,719.70-5,787,503.73-1,430,518.88

Finding the Fourth Proportional to 3,860,719.70, 5,787,503.73 and 1,430,518.88

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Solution

The fourth proportional to 3,860,719.70, 5,787,503.73 and 1,430,518.88 is: 2,144,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,719.70 : 5,787,503.73 = 1,430,518.88 : x
  2. Step 2: Convert to fraction form
    3,860,719.70/5,787,503.73 = 1,430,518.88/x
  3. Step 3: Cross multiply
    3,860,719.70x = 5,787,503.73 × 1,430,518.88
  4. Step 4: Simplify right side
    3,860,719.70x = 8,279,133,368,304.18
  5. Step 5: Solve for x
    x = 8,279,133,368,304.18/3,860,719.70
  6. Step 6: Final answer
    x = 2,144,453.37

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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.