Home / 3,113,485.20-4,669,790.40-983,784.60

Finding the Fourth Proportional to 3,113,485.20, 4,669,790.40 and 983,784.60

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Solution

The fourth proportional to 3,113,485.20, 4,669,790.40 and 983,784.60 is: 1,475,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,485.20 : 4,669,790.40 = 983,784.60 : x
  2. Step 2: Convert to fraction form
    3,113,485.20/4,669,790.40 = 983,784.60/x
  3. Step 3: Cross multiply
    3,113,485.20x = 4,669,790.40 × 983,784.60
  4. Step 4: Simplify right side
    3,113,485.20x = 4,594,067,880,747.84
  5. Step 5: Solve for x
    x = 4,594,067,880,747.84/3,113,485.20
  6. Step 6: Final answer
    x = 1,475,538.69

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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.