Home / 4,680,697.80-7,021,046.70-1,839,347.40

Finding the Fourth Proportional to 4,680,697.80, 7,021,046.70 and 1,839,347.40

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Solution

The fourth proportional to 4,680,697.80, 7,021,046.70 and 1,839,347.40 is: 2,759,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,697.80 : 7,021,046.70 = 1,839,347.40 : x
  2. Step 2: Convert to fraction form
    4,680,697.80/7,021,046.70 = 1,839,347.40/x
  3. Step 3: Cross multiply
    4,680,697.80x = 7,021,046.70 × 1,839,347.40
  4. Step 4: Simplify right side
    4,680,697.80x = 12,914,143,992,923.58
  5. Step 5: Solve for x
    x = 12,914,143,992,923.58/4,680,697.80
  6. Step 6: Final answer
    x = 2,759,021.10

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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.