Home / 3,886,485.82-5,830,475.96-1,490,143.56

Finding the Fourth Proportional to 3,886,485.82, 5,830,475.96 and 1,490,143.56

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Solution

The fourth proportional to 3,886,485.82, 5,830,475.96 and 1,490,143.56 is: 2,235,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,485.82 : 5,830,475.96 = 1,490,143.56 : x
  2. Step 2: Convert to fraction form
    3,886,485.82/5,830,475.96 = 1,490,143.56/x
  3. Step 3: Cross multiply
    3,886,485.82x = 5,830,475.96 × 1,490,143.56
  4. Step 4: Simplify right side
    3,886,485.82x = 8,688,246,203,528.82
  5. Step 5: Solve for x
    x = 8,688,246,203,528.82/3,886,485.82
  6. Step 6: Final answer
    x = 2,235,501.84

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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.