Home / 2,161,860.48-2,983,368.11-1,181,803.77

Finding the Fourth Proportional to 2,161,860.48, 2,983,368.11 and 1,181,803.77

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Solution

The fourth proportional to 2,161,860.48, 2,983,368.11 and 1,181,803.77 is: 1,630,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,860.48 : 2,983,368.11 = 1,181,803.77 : x
  2. Step 2: Convert to fraction form
    2,161,860.48/2,983,368.11 = 1,181,803.77/x
  3. Step 3: Cross multiply
    2,161,860.48x = 2,983,368.11 × 1,181,803.77
  4. Step 4: Simplify right side
    2,161,860.48x = 3,525,755,673,786.76
  5. Step 5: Solve for x
    x = 3,525,755,673,786.76/2,161,860.48
  6. Step 6: Final answer
    x = 1,630,889.55

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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.