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Finding the Fourth Proportional to 3,344,490, 5,017,568.28 and 980,586

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Solution

The fourth proportional to 3,344,490, 5,017,568.28 and 980,586 is: 1,471,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344,490 : 5,017,568.28 = 980,586 : x
  2. Step 2: Convert to fraction form
    3,344,490/5,017,568.28 = 980,586/x
  3. Step 3: Cross multiply
    3,344,490x = 5,017,568.28 × 980,586
  4. Step 4: Simplify right side
    3,344,490x = 4,920,157,209,412.08
  5. Step 5: Solve for x
    x = 4,920,157,209,412.08/3,344,490
  6. Step 6: Final answer
    x = 1,471,123.31

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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.