Home / 3,121,281.54-4,683,890.61-1,227,776.94

Finding the Fourth Proportional to 3,121,281.54, 4,683,890.61 and 1,227,776.94

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Solution

The fourth proportional to 3,121,281.54, 4,683,890.61 and 1,227,776.94 is: 1,842,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,281.54 : 4,683,890.61 = 1,227,776.94 : x
  2. Step 2: Convert to fraction form
    3,121,281.54/4,683,890.61 = 1,227,776.94/x
  3. Step 3: Cross multiply
    3,121,281.54x = 4,683,890.61 × 1,227,776.94
  4. Step 4: Simplify right side
    3,121,281.54x = 5,750,772,880,440.53
  5. Step 5: Solve for x
    x = 5,750,772,880,440.53/3,121,281.54
  6. Step 6: Final answer
    x = 1,842,439.65

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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.