Home / 5,121,699.43-7,688,018.39-2,205,237.03

Finding the Fourth Proportional to 5,121,699.43, 7,688,018.39 and 2,205,237.03

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Solution

The fourth proportional to 5,121,699.43, 7,688,018.39 and 2,205,237.03 is: 3,310,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,699.43 : 7,688,018.39 = 2,205,237.03 : x
  2. Step 2: Convert to fraction form
    5,121,699.43/7,688,018.39 = 2,205,237.03/x
  3. Step 3: Cross multiply
    5,121,699.43x = 7,688,018.39 × 2,205,237.03
  4. Step 4: Simplify right side
    5,121,699.43x = 16,953,902,840,948.98
  5. Step 5: Solve for x
    x = 16,953,902,840,948.98/5,121,699.43
  6. Step 6: Final answer
    x = 3,310,210.42

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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.