Home / 2,540,715.60-3,506,257.71-1,438,059.36

Finding the Fourth Proportional to 2,540,715.60, 3,506,257.71 and 1,438,059.36

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Solution

The fourth proportional to 2,540,715.60, 3,506,257.71 and 1,438,059.36 is: 1,984,561.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,715.60 : 3,506,257.71 = 1,438,059.36 : x
  2. Step 2: Convert to fraction form
    2,540,715.60/3,506,257.71 = 1,438,059.36/x
  3. Step 3: Cross multiply
    2,540,715.60x = 3,506,257.71 × 1,438,059.36
  4. Step 4: Simplify right side
    2,540,715.60x = 5,042,206,718,437.67
  5. Step 5: Solve for x
    x = 5,042,206,718,437.67/2,540,715.60
  6. Step 6: Final answer
    x = 1,984,561.64

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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.