Home / 4,985,106.20-7,477,659.30-1,619,653.40

Finding the Fourth Proportional to 4,985,106.20, 7,477,659.30 and 1,619,653.40

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Solution

The fourth proportional to 4,985,106.20, 7,477,659.30 and 1,619,653.40 is: 2,429,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985,106.20 : 7,477,659.30 = 1,619,653.40 : x
  2. Step 2: Convert to fraction form
    4,985,106.20/7,477,659.30 = 1,619,653.40/x
  3. Step 3: Cross multiply
    4,985,106.20x = 7,477,659.30 × 1,619,653.40
  4. Step 4: Simplify right side
    4,985,106.20x = 12,111,216,309,286.62
  5. Step 5: Solve for x
    x = 12,111,216,309,286.62/4,985,106.20
  6. Step 6: Final answer
    x = 2,429,480.10

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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.