Home / 2,784,384.40-4,176,576.60-1,664,640.40

Finding the Fourth Proportional to 2,784,384.40, 4,176,576.60 and 1,664,640.40

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Solution

The fourth proportional to 2,784,384.40, 4,176,576.60 and 1,664,640.40 is: 2,496,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,384.40 : 4,176,576.60 = 1,664,640.40 : x
  2. Step 2: Convert to fraction form
    2,784,384.40/4,176,576.60 = 1,664,640.40/x
  3. Step 3: Cross multiply
    2,784,384.40x = 4,176,576.60 × 1,664,640.40
  4. Step 4: Simplify right side
    2,784,384.40x = 6,952,498,142,054.64
  5. Step 5: Solve for x
    x = 6,952,498,142,054.64/2,784,384.40
  6. Step 6: Final answer
    x = 2,496,960.60

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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.