Home / 2,940,809.40-4,411,214.10-2,679,535.80

Finding the Fourth Proportional to 2,940,809.40, 4,411,214.10 and 2,679,535.80

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Solution

The fourth proportional to 2,940,809.40, 4,411,214.10 and 2,679,535.80 is: 4,019,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,809.40 : 4,411,214.10 = 2,679,535.80 : x
  2. Step 2: Convert to fraction form
    2,940,809.40/4,411,214.10 = 2,679,535.80/x
  3. Step 3: Cross multiply
    2,940,809.40x = 4,411,214.10 × 2,679,535.80
  4. Step 4: Simplify right side
    2,940,809.40x = 11,820,006,102,414.78
  5. Step 5: Solve for x
    x = 11,820,006,102,414.78/2,940,809.40
  6. Step 6: Final answer
    x = 4,019,303.70

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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.