Home / 2,319,783.30-3,201,216.85-1,287,336.14

Finding the Fourth Proportional to 2,319,783.30, 3,201,216.85 and 1,287,336.14

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Solution

The fourth proportional to 2,319,783.30, 3,201,216.85 and 1,287,336.14 is: 1,776,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,783.30 : 3,201,216.85 = 1,287,336.14 : x
  2. Step 2: Convert to fraction form
    2,319,783.30/3,201,216.85 = 1,287,336.14/x
  3. Step 3: Cross multiply
    2,319,783.30x = 3,201,216.85 × 1,287,336.14
  4. Step 4: Simplify right side
    2,319,783.30x = 4,121,042,133,348.34
  5. Step 5: Solve for x
    x = 4,121,042,133,348.34/2,319,783.30
  6. Step 6: Final answer
    x = 1,776,477.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.