Home / 5,118,901.84-7,678,761-1,753,138

Finding the Fourth Proportional to 5,118,901.84, 7,678,761 and 1,753,138

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Solution

The fourth proportional to 5,118,901.84, 7,678,761 and 1,753,138 is: 2,629,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,901.84 : 7,678,761 = 1,753,138 : x
  2. Step 2: Convert to fraction form
    5,118,901.84/7,678,761 = 1,753,138/x
  3. Step 3: Cross multiply
    5,118,901.84x = 7,678,761 × 1,753,138
  4. Step 4: Simplify right side
    5,118,901.84x = 13,461,927,702,018
  5. Step 5: Solve for x
    x = 13,461,927,702,018/5,118,901.84
  6. Step 6: Final answer
    x = 2,629,846.82

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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.