Home / 3,178,807.85-4,762,211.59-1,878,079.05

Finding the Fourth Proportional to 3,178,807.85, 4,762,211.59 and 1,878,079.05

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Solution

The fourth proportional to 3,178,807.85, 4,762,211.59 and 1,878,079.05 is: 2,813,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,807.85 : 4,762,211.59 = 1,878,079.05 : x
  2. Step 2: Convert to fraction form
    3,178,807.85/4,762,211.59 = 1,878,079.05/x
  3. Step 3: Cross multiply
    3,178,807.85x = 4,762,211.59 × 1,878,079.05
  4. Step 4: Simplify right side
    3,178,807.85x = 8,943,809,794,807.48
  5. Step 5: Solve for x
    x = 8,943,809,794,807.48/3,178,807.85
  6. Step 6: Final answer
    x = 2,813,573.58

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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.