Home / 1,738,287.90-2,604,321.45-1,421,027.10

Finding the Fourth Proportional to 1,738,287.90, 2,604,321.45 and 1,421,027.10

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Solution

The fourth proportional to 1,738,287.90, 2,604,321.45 and 1,421,027.10 is: 2,128,997.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,287.90 : 2,604,321.45 = 1,421,027.10 : x
  2. Step 2: Convert to fraction form
    1,738,287.90/2,604,321.45 = 1,421,027.10/x
  3. Step 3: Cross multiply
    1,738,287.90x = 2,604,321.45 × 1,421,027.10
  4. Step 4: Simplify right side
    1,738,287.90x = 3,700,811,357,561.30
  5. Step 5: Solve for x
    x = 3,700,811,357,561.30/1,738,287.90
  6. Step 6: Final answer
    x = 2,128,997.94

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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.