Home / 3,450,815.40-5,176,223.10-926,725.80

Finding the Fourth Proportional to 3,450,815.40, 5,176,223.10 and 926,725.80

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Solution

The fourth proportional to 3,450,815.40, 5,176,223.10 and 926,725.80 is: 1,390,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,815.40 : 5,176,223.10 = 926,725.80 : x
  2. Step 2: Convert to fraction form
    3,450,815.40/5,176,223.10 = 926,725.80/x
  3. Step 3: Cross multiply
    3,450,815.40x = 5,176,223.10 × 926,725.80
  4. Step 4: Simplify right side
    3,450,815.40x = 4,796,939,493,325.98
  5. Step 5: Solve for x
    x = 4,796,939,493,325.98/3,450,815.40
  6. Step 6: Final answer
    x = 1,390,088.70

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Similar ratio
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1.5x scale

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.