Home / 3,890,735.71-5,369,688.66-2,259,143.02

Finding the Fourth Proportional to 3,890,735.71, 5,369,688.66 and 2,259,143.02

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Solution

The fourth proportional to 3,890,735.71, 5,369,688.66 and 2,259,143.02 is: 3,117,892.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,735.71 : 5,369,688.66 = 2,259,143.02 : x
  2. Step 2: Convert to fraction form
    3,890,735.71/5,369,688.66 = 2,259,143.02/x
  3. Step 3: Cross multiply
    3,890,735.71x = 5,369,688.66 × 2,259,143.02
  4. Step 4: Simplify right side
    3,890,735.71x = 12,130,894,670,996.05
  5. Step 5: Solve for x
    x = 12,130,894,670,996.05/3,890,735.71
  6. Step 6: Final answer
    x = 3,117,892.24

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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.