Home / 3,880,476.72-5,355,223.56-2,161,598.40

Finding the Fourth Proportional to 3,880,476.72, 5,355,223.56 and 2,161,598.40

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Solution

The fourth proportional to 3,880,476.72, 5,355,223.56 and 2,161,598.40 is: 2,983,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,476.72 : 5,355,223.56 = 2,161,598.40 : x
  2. Step 2: Convert to fraction form
    3,880,476.72/5,355,223.56 = 2,161,598.40/x
  3. Step 3: Cross multiply
    3,880,476.72x = 5,355,223.56 × 2,161,598.40
  4. Step 4: Simplify right side
    3,880,476.72x = 11,575,842,678,938.30
  5. Step 5: Solve for x
    x = 11,575,842,678,938.30/3,880,476.72
  6. Step 6: Final answer
    x = 2,983,098.09

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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.