Home / 1,782,905.70-2,674,358.55-1,628,940.90

Finding the Fourth Proportional to 1,782,905.70, 2,674,358.55 and 1,628,940.90

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Solution

The fourth proportional to 1,782,905.70, 2,674,358.55 and 1,628,940.90 is: 2,443,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,905.70 : 2,674,358.55 = 1,628,940.90 : x
  2. Step 2: Convert to fraction form
    1,782,905.70/2,674,358.55 = 1,628,940.90/x
  3. Step 3: Cross multiply
    1,782,905.70x = 2,674,358.55 × 1,628,940.90
  4. Step 4: Simplify right side
    1,782,905.70x = 4,356,372,023,359.69
  5. Step 5: Solve for x
    x = 4,356,372,023,359.69/1,782,905.70
  6. Step 6: Final answer
    x = 2,443,411.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.