Home / 3,890,888.55-5,839,892.51-1,973,123.37

Finding the Fourth Proportional to 3,890,888.55, 5,839,892.51 and 1,973,123.37

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Solution

The fourth proportional to 3,890,888.55, 5,839,892.51 and 1,973,123.37 is: 2,961,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,888.55 : 5,839,892.51 = 1,973,123.37 : x
  2. Step 2: Convert to fraction form
    3,890,888.55/5,839,892.51 = 1,973,123.37/x
  3. Step 3: Cross multiply
    3,890,888.55x = 5,839,892.51 × 1,973,123.37
  4. Step 4: Simplify right side
    3,890,888.55x = 11,522,828,379,903.34
  5. Step 5: Solve for x
    x = 11,522,828,379,903.34/3,890,888.55
  6. Step 6: Final answer
    x = 2,961,490.22

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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.