Home / 3,886,484.82-5,830,474.44-1,490,142.55

Finding the Fourth Proportional to 3,886,484.82, 5,830,474.44 and 1,490,142.55

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Solution

The fourth proportional to 3,886,484.82, 5,830,474.44 and 1,490,142.55 is: 2,235,500.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,484.82 : 5,830,474.44 = 1,490,142.55 : x
  2. Step 2: Convert to fraction form
    3,886,484.82/5,830,474.44 = 1,490,142.55/x
  3. Step 3: Cross multiply
    3,886,484.82x = 5,830,474.44 × 1,490,142.55
  4. Step 4: Simplify right side
    3,886,484.82x = 8,688,238,049,731.42
  5. Step 5: Solve for x
    x = 8,688,238,049,731.42/3,886,484.82
  6. Step 6: Final answer
    x = 2,235,500.32

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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.