Home / 2,922,905.40-4,384,358.10-2,698,956.60

Finding the Fourth Proportional to 2,922,905.40, 4,384,358.10 and 2,698,956.60

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Solution

The fourth proportional to 2,922,905.40, 4,384,358.10 and 2,698,956.60 is: 4,048,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922,905.40 : 4,384,358.10 = 2,698,956.60 : x
  2. Step 2: Convert to fraction form
    2,922,905.40/4,384,358.10 = 2,698,956.60/x
  3. Step 3: Cross multiply
    2,922,905.40x = 4,384,358.10 × 2,698,956.60
  4. Step 4: Simplify right side
    2,922,905.40x = 11,833,192,230,758.46
  5. Step 5: Solve for x
    x = 11,833,192,230,758.46/2,922,905.40
  6. Step 6: Final answer
    x = 4,048,434.90

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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.