Home / 5,137,101.76-7,699,684.56-1,940,193.76

Finding the Fourth Proportional to 5,137,101.76, 7,699,684.56 and 1,940,193.76

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Solution

The fourth proportional to 5,137,101.76, 7,699,684.56 and 1,940,193.76 is: 2,908,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,101.76 : 7,699,684.56 = 1,940,193.76 : x
  2. Step 2: Convert to fraction form
    5,137,101.76/7,699,684.56 = 1,940,193.76/x
  3. Step 3: Cross multiply
    5,137,101.76x = 7,699,684.56 × 1,940,193.76
  4. Step 4: Simplify right side
    5,137,101.76x = 14,938,879,927,579.38
  5. Step 5: Solve for x
    x = 14,938,879,927,579.38/5,137,101.76
  6. Step 6: Final answer
    x = 2,908,036.60

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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.