Home / 1,937,996.30-2,900,105.40-1,688,022.20

Finding the Fourth Proportional to 1,937,996.30, 2,900,105.40 and 1,688,022.20

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Solution

The fourth proportional to 1,937,996.30, 2,900,105.40 and 1,688,022.20 is: 2,526,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,996.30 : 2,900,105.40 = 1,688,022.20 : x
  2. Step 2: Convert to fraction form
    1,937,996.30/2,900,105.40 = 1,688,022.20/x
  3. Step 3: Cross multiply
    1,937,996.30x = 2,900,105.40 × 1,688,022.20
  4. Step 4: Simplify right side
    1,937,996.30x = 4,895,442,297,539.88
  5. Step 5: Solve for x
    x = 4,895,442,297,539.88/1,937,996.30
  6. Step 6: Final answer
    x = 2,526,032.84

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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.