Home / 4,126,957.20-6,190,435.80-3,119,187.60

Finding the Fourth Proportional to 4,126,957.20, 6,190,435.80 and 3,119,187.60

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Solution

The fourth proportional to 4,126,957.20, 6,190,435.80 and 3,119,187.60 is: 4,678,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126,957.20 : 6,190,435.80 = 3,119,187.60 : x
  2. Step 2: Convert to fraction form
    4,126,957.20/6,190,435.80 = 3,119,187.60/x
  3. Step 3: Cross multiply
    4,126,957.20x = 6,190,435.80 × 3,119,187.60
  4. Step 4: Simplify right side
    4,126,957.20x = 19,309,130,585,956.08
  5. Step 5: Solve for x
    x = 19,309,130,585,956.08/4,126,957.20
  6. Step 6: Final answer
    x = 4,678,781.40

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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.