Home / 2,870,431.56-3,961,418.85-1,581,503.67

Finding the Fourth Proportional to 2,870,431.56, 3,961,418.85 and 1,581,503.67

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Solution

The fourth proportional to 2,870,431.56, 3,961,418.85 and 1,581,503.67 is: 2,182,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,431.56 : 3,961,418.85 = 1,581,503.67 : x
  2. Step 2: Convert to fraction form
    2,870,431.56/3,961,418.85 = 1,581,503.67/x
  3. Step 3: Cross multiply
    2,870,431.56x = 3,961,418.85 × 1,581,503.67
  4. Step 4: Simplify right side
    2,870,431.56x = 6,264,998,449,682.18
  5. Step 5: Solve for x
    x = 6,264,998,449,682.18/2,870,431.56
  6. Step 6: Final answer
    x = 2,182,598.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.