Home / 3,780,001.80-5,670,002.70-1,255,657.05

Finding the Fourth Proportional to 3,780,001.80, 5,670,002.70 and 1,255,657.05

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Solution

The fourth proportional to 3,780,001.80, 5,670,002.70 and 1,255,657.05 is: 1,883,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,001.80 : 5,670,002.70 = 1,255,657.05 : x
  2. Step 2: Convert to fraction form
    3,780,001.80/5,670,002.70 = 1,255,657.05/x
  3. Step 3: Cross multiply
    3,780,001.80x = 5,670,002.70 × 1,255,657.05
  4. Step 4: Simplify right side
    3,780,001.80x = 7,119,578,863,774.04
  5. Step 5: Solve for x
    x = 7,119,578,863,774.04/3,780,001.80
  6. Step 6: Final answer
    x = 1,883,485.58

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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.