Home / 1,882,340.78-2,597,628.30-1,022,899.20

Finding the Fourth Proportional to 1,882,340.78, 2,597,628.30 and 1,022,899.20

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Solution

The fourth proportional to 1,882,340.78, 2,597,628.30 and 1,022,899.20 is: 1,411,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,340.78 : 2,597,628.30 = 1,022,899.20 : x
  2. Step 2: Convert to fraction form
    1,882,340.78/2,597,628.30 = 1,022,899.20/x
  3. Step 3: Cross multiply
    1,882,340.78x = 2,597,628.30 × 1,022,899.20
  4. Step 4: Simplify right side
    1,882,340.78x = 2,657,111,909,967.36
  5. Step 5: Solve for x
    x = 2,657,111,909,967.36/1,882,340.78
  6. Step 6: Final answer
    x = 1,411,599.82

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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.