Home / 4,911,226.42-7,366,787.78-1,919,384.50

Finding the Fourth Proportional to 4,911,226.42, 7,366,787.78 and 1,919,384.50

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Solution

The fourth proportional to 4,911,226.42, 7,366,787.78 and 1,919,384.50 is: 2,879,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911,226.42 : 7,366,787.78 = 1,919,384.50 : x
  2. Step 2: Convert to fraction form
    4,911,226.42/7,366,787.78 = 1,919,384.50/x
  3. Step 3: Cross multiply
    4,911,226.42x = 7,366,787.78 × 1,919,384.50
  4. Step 4: Simplify right side
    4,911,226.42x = 14,139,698,279,721.41
  5. Step 5: Solve for x
    x = 14,139,698,279,721.41/4,911,226.42
  6. Step 6: Final answer
    x = 2,879,056.49

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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.