Home / 3,217,686.40-4,826,529.60-1,325,785.60

Finding the Fourth Proportional to 3,217,686.40, 4,826,529.60 and 1,325,785.60

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Solution

The fourth proportional to 3,217,686.40, 4,826,529.60 and 1,325,785.60 is: 1,988,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,686.40 : 4,826,529.60 = 1,325,785.60 : x
  2. Step 2: Convert to fraction form
    3,217,686.40/4,826,529.60 = 1,325,785.60/x
  3. Step 3: Cross multiply
    3,217,686.40x = 4,826,529.60 × 1,325,785.60
  4. Step 4: Simplify right side
    3,217,686.40x = 6,398,943,441,653.76
  5. Step 5: Solve for x
    x = 6,398,943,441,653.76/3,217,686.40
  6. Step 6: Final answer
    x = 1,988,678.40

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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.