Home / 4,680,661.80-7,020,992.70-1,839,311.40

Finding the Fourth Proportional to 4,680,661.80, 7,020,992.70 and 1,839,311.40

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Solution

The fourth proportional to 4,680,661.80, 7,020,992.70 and 1,839,311.40 is: 2,758,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,661.80 : 7,020,992.70 = 1,839,311.40 : x
  2. Step 2: Convert to fraction form
    4,680,661.80/7,020,992.70 = 1,839,311.40/x
  3. Step 3: Cross multiply
    4,680,661.80x = 7,020,992.70 × 1,839,311.40
  4. Step 4: Simplify right side
    4,680,661.80x = 12,913,791,912,426.78
  5. Step 5: Solve for x
    x = 12,913,791,912,426.78/4,680,661.80
  6. Step 6: Final answer
    x = 2,758,967.10

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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.