Home / 2,140,122.71-3,210,603.65-792,295.67

Finding the Fourth Proportional to 2,140,122.71, 3,210,603.65 and 792,295.67

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Solution

The fourth proportional to 2,140,122.71, 3,210,603.65 and 792,295.67 is: 1,188,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,122.71 : 3,210,603.65 = 792,295.67 : x
  2. Step 2: Convert to fraction form
    2,140,122.71/3,210,603.65 = 792,295.67/x
  3. Step 3: Cross multiply
    2,140,122.71x = 3,210,603.65 × 792,295.67
  4. Step 4: Simplify right side
    2,140,122.71x = 2,543,747,369,981.20
  5. Step 5: Solve for x
    x = 2,543,747,369,981.20/2,140,122.71
  6. Step 6: Final answer
    x = 1,188,598.84

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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.