Home / 3,181,736.40-4,390,849.08-1,731,492.96

Finding the Fourth Proportional to 3,181,736.40, 4,390,849.08 and 1,731,492.96

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Solution

The fourth proportional to 3,181,736.40, 4,390,849.08 and 1,731,492.96 is: 2,389,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,736.40 : 4,390,849.08 = 1,731,492.96 : x
  2. Step 2: Convert to fraction form
    3,181,736.40/4,390,849.08 = 1,731,492.96/x
  3. Step 3: Cross multiply
    3,181,736.40x = 4,390,849.08 × 1,731,492.96
  4. Step 4: Simplify right side
    3,181,736.40x = 7,602,724,270,442.48
  5. Step 5: Solve for x
    x = 7,602,724,270,442.48/3,181,736.40
  6. Step 6: Final answer
    x = 2,389,489.04

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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.