Home / 5,137,102.76-7,699,686.05-1,940,194.76

Finding the Fourth Proportional to 5,137,102.76, 7,699,686.05 and 1,940,194.76

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Solution

The fourth proportional to 5,137,102.76, 7,699,686.05 and 1,940,194.76 is: 2,908,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137,102.76 : 7,699,686.05 = 1,940,194.76 : x
  2. Step 2: Convert to fraction form
    5,137,102.76/7,699,686.05 = 1,940,194.76/x
  3. Step 3: Cross multiply
    5,137,102.76x = 7,699,686.05 × 1,940,194.76
  4. Step 4: Simplify right side
    5,137,102.76x = 14,938,890,527,855.10
  5. Step 5: Solve for x
    x = 14,938,890,527,855.10/5,137,102.76
  6. Step 6: Final answer
    x = 2,908,038.10

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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.