Home / 2,140,121.71-3,210,602.15-792,294.67

Finding the Fourth Proportional to 2,140,121.71, 3,210,602.15 and 792,294.67

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Solution

The fourth proportional to 2,140,121.71, 3,210,602.15 and 792,294.67 is: 1,188,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,121.71 : 3,210,602.15 = 792,294.67 : x
  2. Step 2: Convert to fraction form
    2,140,121.71/3,210,602.15 = 792,294.67/x
  3. Step 3: Cross multiply
    2,140,121.71x = 3,210,602.15 × 792,294.67
  4. Step 4: Simplify right side
    2,140,121.71x = 2,543,742,970,935.54
  5. Step 5: Solve for x
    x = 2,543,742,970,935.54/2,140,121.71
  6. Step 6: Final answer
    x = 1,188,597.34

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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.