Home / 3,211,000.40-4,815,809.40-1,413,880.40

Finding the Fourth Proportional to 3,211,000.40, 4,815,809.40 and 1,413,880.40

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Solution

The fourth proportional to 3,211,000.40, 4,815,809.40 and 1,413,880.40 is: 2,120,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,000.40 : 4,815,809.40 = 1,413,880.40 : x
  2. Step 2: Convert to fraction form
    3,211,000.40/4,815,809.40 = 1,413,880.40/x
  3. Step 3: Cross multiply
    3,211,000.40x = 4,815,809.40 × 1,413,880.40
  4. Step 4: Simplify right side
    3,211,000.40x = 6,808,978,520,795.76
  5. Step 5: Solve for x
    x = 6,808,978,520,795.76/3,211,000.40
  6. Step 6: Final answer
    x = 2,120,516.25

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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.