Home / 1,782,308.70-2,673,463.05-1,628,343.90

Finding the Fourth Proportional to 1,782,308.70, 2,673,463.05 and 1,628,343.90

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Solution

The fourth proportional to 1,782,308.70, 2,673,463.05 and 1,628,343.90 is: 2,442,515.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,308.70 : 2,673,463.05 = 1,628,343.90 : x
  2. Step 2: Convert to fraction form
    1,782,308.70/2,673,463.05 = 1,628,343.90/x
  3. Step 3: Cross multiply
    1,782,308.70x = 2,673,463.05 × 1,628,343.90
  4. Step 4: Simplify right side
    1,782,308.70x = 4,353,317,249,342.89
  5. Step 5: Solve for x
    x = 4,353,317,249,342.89/1,782,308.70
  6. Step 6: Final answer
    x = 2,442,515.85

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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.