Home / 3,071,154-4,239,551.52-1,983,955.68

Finding the Fourth Proportional to 3,071,154, 4,239,551.52 and 1,983,955.68

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Solution

The fourth proportional to 3,071,154, 4,239,551.52 and 1,983,955.68 is: 2,738,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,154 : 4,239,551.52 = 1,983,955.68 : x
  2. Step 2: Convert to fraction form
    3,071,154/4,239,551.52 = 1,983,955.68/x
  3. Step 3: Cross multiply
    3,071,154x = 4,239,551.52 × 1,983,955.68
  4. Step 4: Simplify right side
    3,071,154x = 8,411,082,318,756.63
  5. Step 5: Solve for x
    x = 8,411,082,318,756.63/3,071,154
  6. Step 6: Final answer
    x = 2,738,736.75

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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.