Home / 2,812,070.40-3,880,609.20-1,522,900.32

Finding the Fourth Proportional to 2,812,070.40, 3,880,609.20 and 1,522,900.32

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Solution

The fourth proportional to 2,812,070.40, 3,880,609.20 and 1,522,900.32 is: 2,101,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,070.40 : 3,880,609.20 = 1,522,900.32 : x
  2. Step 2: Convert to fraction form
    2,812,070.40/3,880,609.20 = 1,522,900.32/x
  3. Step 3: Cross multiply
    2,812,070.40x = 3,880,609.20 × 1,522,900.32
  4. Step 4: Simplify right side
    2,812,070.40x = 5,909,780,992,474.94
  5. Step 5: Solve for x
    x = 5,909,780,992,474.94/2,812,070.40
  6. Step 6: Final answer
    x = 2,101,576.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.