Home / 2,161,875.20-2,983,388.48-1,181,818.56

Finding the Fourth Proportional to 2,161,875.20, 2,983,388.48 and 1,181,818.56

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Solution

The fourth proportional to 2,161,875.20, 2,983,388.48 and 1,181,818.56 is: 1,630,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,875.20 : 2,983,388.48 = 1,181,818.56 : x
  2. Step 2: Convert to fraction form
    2,161,875.20/2,983,388.48 = 1,181,818.56/x
  3. Step 3: Cross multiply
    2,161,875.20x = 2,983,388.48 × 1,181,818.56
  4. Step 4: Simplify right side
    2,161,875.20x = 3,525,823,877,354.19
  5. Step 5: Solve for x
    x = 3,525,823,877,354.19/2,161,875.20
  6. Step 6: Final answer
    x = 1,630,910.00

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Why These Related Problems?

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