Home / 3,212,969.40-4,810,122.90-3,119,657.40

Finding the Fourth Proportional to 3,212,969.40, 4,810,122.90 and 3,119,657.40

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Solution

The fourth proportional to 3,212,969.40, 4,810,122.90 and 3,119,657.40 is: 4,670,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,969.40 : 4,810,122.90 = 3,119,657.40 : x
  2. Step 2: Convert to fraction form
    3,212,969.40/4,810,122.90 = 3,119,657.40/x
  3. Step 3: Cross multiply
    3,212,969.40x = 4,810,122.90 × 3,119,657.40
  4. Step 4: Simplify right side
    3,212,969.40x = 15,005,935,499,894.46
  5. Step 5: Solve for x
    x = 15,005,935,499,894.46/3,212,969.40
  6. Step 6: Final answer
    x = 4,670,425.90

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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.