Home / 2,116,500.52-3,174,744.70-768,657.68

Finding the Fourth Proportional to 2,116,500.52, 3,174,744.70 and 768,657.68

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Solution

The fourth proportional to 2,116,500.52, 3,174,744.70 and 768,657.68 is: 1,152,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,500.52 : 3,174,744.70 = 768,657.68 : x
  2. Step 2: Convert to fraction form
    2,116,500.52/3,174,744.70 = 768,657.68/x
  3. Step 3: Cross multiply
    2,116,500.52x = 3,174,744.70 × 768,657.68
  4. Step 4: Simplify right side
    2,116,500.52x = 2,440,291,901,709.51
  5. Step 5: Solve for x
    x = 2,440,291,901,709.51/2,116,500.52
  6. Step 6: Final answer
    x = 1,152,984.32

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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.