Home / 4,190,238.48-6,285,606.12-1,312,143.60

Finding the Fourth Proportional to 4,190,238.48, 6,285,606.12 and 1,312,143.60

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Solution

The fourth proportional to 4,190,238.48, 6,285,606.12 and 1,312,143.60 is: 1,968,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190,238.48 : 6,285,606.12 = 1,312,143.60 : x
  2. Step 2: Convert to fraction form
    4,190,238.48/6,285,606.12 = 1,312,143.60/x
  3. Step 3: Cross multiply
    4,190,238.48x = 6,285,606.12 × 1,312,143.60
  4. Step 4: Simplify right side
    4,190,238.48x = 8,247,617,842,478.83
  5. Step 5: Solve for x
    x = 8,247,617,842,478.83/4,190,238.48
  6. Step 6: Final answer
    x = 1,968,293.18

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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.