Home / 1,982,873.40-2,736,368.10-1,123,491.84

Finding the Fourth Proportional to 1,982,873.40, 2,736,368.10 and 1,123,491.84

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Solution

The fourth proportional to 1,982,873.40, 2,736,368.10 and 1,123,491.84 is: 1,550,420.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,873.40 : 2,736,368.10 = 1,123,491.84 : x
  2. Step 2: Convert to fraction form
    1,982,873.40/2,736,368.10 = 1,123,491.84/x
  3. Step 3: Cross multiply
    1,982,873.40x = 2,736,368.10 × 1,123,491.84
  4. Step 4: Simplify right side
    1,982,873.40x = 3,074,287,231,586.30
  5. Step 5: Solve for x
    x = 3,074,287,231,586.30/1,982,873.40
  6. Step 6: Final answer
    x = 1,550,420.33

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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.