Home / 3,862,579.72-5,330,111.70-2,143,701.40

Finding the Fourth Proportional to 3,862,579.72, 5,330,111.70 and 2,143,701.40

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Solution

The fourth proportional to 3,862,579.72, 5,330,111.70 and 2,143,701.40 is: 2,958,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,579.72 : 5,330,111.70 = 2,143,701.40 : x
  2. Step 2: Convert to fraction form
    3,862,579.72/5,330,111.70 = 2,143,701.40/x
  3. Step 3: Cross multiply
    3,862,579.72x = 5,330,111.70 × 2,143,701.40
  4. Step 4: Simplify right side
    3,862,579.72x = 11,426,167,913,446.38
  5. Step 5: Solve for x
    x = 11,426,167,913,446.38/3,862,579.72
  6. Step 6: Final answer
    x = 2,958,170.12

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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.