Home / 6,617,868.40-9,928,530.60-2,130,252.40

Finding the Fourth Proportional to 6,617,868.40, 9,928,530.60 and 2,130,252.40

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Solution

The fourth proportional to 6,617,868.40, 9,928,530.60 and 2,130,252.40 is: 3,195,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617,868.40 : 9,928,530.60 = 2,130,252.40 : x
  2. Step 2: Convert to fraction form
    6,617,868.40/9,928,530.60 = 2,130,252.40/x
  3. Step 3: Cross multiply
    6,617,868.40x = 9,928,530.60 × 2,130,252.40
  4. Step 4: Simplify right side
    6,617,868.40x = 21,150,276,139,123.44
  5. Step 5: Solve for x
    x = 21,150,276,139,123.44/6,617,868.40
  6. Step 6: Final answer
    x = 3,195,934.83

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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.