Home / 3,130,234.80-4,697,101.80-1,332,812.40

Finding the Fourth Proportional to 3,130,234.80, 4,697,101.80 and 1,332,812.40

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Solution

The fourth proportional to 3,130,234.80, 4,697,101.80 and 1,332,812.40 is: 1,999,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,234.80 : 4,697,101.80 = 1,332,812.40 : x
  2. Step 2: Convert to fraction form
    3,130,234.80/4,697,101.80 = 1,332,812.40/x
  3. Step 3: Cross multiply
    3,130,234.80x = 4,697,101.80 × 1,332,812.40
  4. Step 4: Simplify right side
    3,130,234.80x = 6,260,355,523,102.32
  5. Step 5: Solve for x
    x = 6,260,355,523,102.32/3,130,234.80
  6. Step 6: Final answer
    x = 1,999,963.56

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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.