Home / 3,012,278.40-4,518,388.80-737,812.80

Finding the Fourth Proportional to 3,012,278.40, 4,518,388.80 and 737,812.80

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Solution

The fourth proportional to 3,012,278.40, 4,518,388.80 and 737,812.80 is: 1,106,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,278.40 : 4,518,388.80 = 737,812.80 : x
  2. Step 2: Convert to fraction form
    3,012,278.40/4,518,388.80 = 737,812.80/x
  3. Step 3: Cross multiply
    3,012,278.40x = 4,518,388.80 × 737,812.80
  4. Step 4: Simplify right side
    3,012,278.40x = 3,333,725,092,016.64
  5. Step 5: Solve for x
    x = 3,333,725,092,016.64/3,012,278.40
  6. Step 6: Final answer
    x = 1,106,712.15

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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.