Home / 2,891,579.10-3,990,402.63-1,602,440.70

Finding the Fourth Proportional to 2,891,579.10, 3,990,402.63 and 1,602,440.70

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Solution

The fourth proportional to 2,891,579.10, 3,990,402.63 and 1,602,440.70 is: 2,211,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,579.10 : 3,990,402.63 = 1,602,440.70 : x
  2. Step 2: Convert to fraction form
    2,891,579.10/3,990,402.63 = 1,602,440.70/x
  3. Step 3: Cross multiply
    2,891,579.10x = 3,990,402.63 × 1,602,440.70
  4. Step 4: Simplify right side
    2,891,579.10x = 6,394,383,583,699.04
  5. Step 5: Solve for x
    x = 6,394,383,583,699.04/2,891,579.10
  6. Step 6: Final answer
    x = 2,211,381.17

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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.