Home / 3,315,890.40-4,973,835.12-919,735

Finding the Fourth Proportional to 3,315,890.40, 4,973,835.12 and 919,735

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Solution

The fourth proportional to 3,315,890.40, 4,973,835.12 and 919,735 is: 1,379,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,890.40 : 4,973,835.12 = 919,735 : x
  2. Step 2: Convert to fraction form
    3,315,890.40/4,973,835.12 = 919,735/x
  3. Step 3: Cross multiply
    3,315,890.40x = 4,973,835.12 × 919,735
  4. Step 4: Simplify right side
    3,315,890.40x = 4,574,610,244,093.20
  5. Step 5: Solve for x
    x = 4,574,610,244,093.20/3,315,890.40
  6. Step 6: Final answer
    x = 1,379,602.37

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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.