Home / 2,161,864.48-2,983,373.64-1,181,807.78

Finding the Fourth Proportional to 2,161,864.48, 2,983,373.64 and 1,181,807.78

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Solution

The fourth proportional to 2,161,864.48, 2,983,373.64 and 1,181,807.78 is: 1,630,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,864.48 : 2,983,373.64 = 1,181,807.78 : x
  2. Step 2: Convert to fraction form
    2,161,864.48/2,983,373.64 = 1,181,807.78/x
  3. Step 3: Cross multiply
    2,161,864.48x = 2,983,373.64 × 1,181,807.78
  4. Step 4: Simplify right side
    2,161,864.48x = 3,525,774,178,398.92
  5. Step 5: Solve for x
    x = 3,525,774,178,398.92/2,161,864.48
  6. Step 6: Final answer
    x = 1,630,895.10

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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.