Home / 2,988,355.67-4,123,911.80-1,699,196.16

Finding the Fourth Proportional to 2,988,355.67, 4,123,911.80 and 1,699,196.16

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Solution

The fourth proportional to 2,988,355.67, 4,123,911.80 and 1,699,196.16 is: 2,344,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,355.67 : 4,123,911.80 = 1,699,196.16 : x
  2. Step 2: Convert to fraction form
    2,988,355.67/4,123,911.80 = 1,699,196.16/x
  3. Step 3: Cross multiply
    2,988,355.67x = 4,123,911.80 × 1,699,196.16
  4. Step 4: Simplify right side
    2,988,355.67x = 7,007,335,114,451.35
  5. Step 5: Solve for x
    x = 7,007,335,114,451.35/2,988,355.67
  6. Step 6: Final answer
    x = 2,344,879.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.