Home / 4,726,667.40-7,093,500.30-3,128,699.40

Finding the Fourth Proportional to 4,726,667.40, 7,093,500.30 and 3,128,699.40

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Solution

The fourth proportional to 4,726,667.40, 7,093,500.30 and 3,128,699.40 is: 4,695,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726,667.40 : 7,093,500.30 = 3,128,699.40 : x
  2. Step 2: Convert to fraction form
    4,726,667.40/7,093,500.30 = 3,128,699.40/x
  3. Step 3: Cross multiply
    4,726,667.40x = 7,093,500.30 × 3,128,699.40
  4. Step 4: Simplify right side
    4,726,667.40x = 22,193,430,132,509.82
  5. Step 5: Solve for x
    x = 22,193,430,132,509.82/4,726,667.40
  6. Step 6: Final answer
    x = 4,695,365.31

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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.