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Finding the Fourth Proportional to 1,835,956.40, 2,752,984.08 and 824,207.28

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Solution

The fourth proportional to 1,835,956.40, 2,752,984.08 and 824,207.28 is: 1,235,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835,956.40 : 2,752,984.08 = 824,207.28 : x
  2. Step 2: Convert to fraction form
    1,835,956.40/2,752,984.08 = 824,207.28/x
  3. Step 3: Cross multiply
    1,835,956.40x = 2,752,984.08 × 824,207.28
  4. Step 4: Simplify right side
    1,835,956.40x = 2,269,029,520,460.10
  5. Step 5: Solve for x
    x = 2,269,029,520,460.10/1,835,956.40
  6. Step 6: Final answer
    x = 1,235,884.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.