Home / 3,151,607.20-4,727,410.80-3,127,987.60

Finding the Fourth Proportional to 3,151,607.20, 4,727,410.80 and 3,127,987.60

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Solution

The fourth proportional to 3,151,607.20, 4,727,410.80 and 3,127,987.60 is: 4,691,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,607.20 : 4,727,410.80 = 3,127,987.60 : x
  2. Step 2: Convert to fraction form
    3,151,607.20/4,727,410.80 = 3,127,987.60/x
  3. Step 3: Cross multiply
    3,151,607.20x = 4,727,410.80 × 3,127,987.60
  4. Step 4: Simplify right side
    3,151,607.20x = 14,787,282,362,506.08
  5. Step 5: Solve for x
    x = 14,787,282,362,506.08/3,151,607.20
  6. Step 6: Final answer
    x = 4,691,981.40

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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.