Home / 4,756,557.60-7,129,587.60-2,628,169.20

Finding the Fourth Proportional to 4,756,557.60, 7,129,587.60 and 2,628,169.20

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Solution

The fourth proportional to 4,756,557.60, 7,129,587.60 and 2,628,169.20 is: 3,939,353.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756,557.60 : 7,129,587.60 = 2,628,169.20 : x
  2. Step 2: Convert to fraction form
    4,756,557.60/7,129,587.60 = 2,628,169.20/x
  3. Step 3: Cross multiply
    4,756,557.60x = 7,129,587.60 × 2,628,169.20
  4. Step 4: Simplify right side
    4,756,557.60x = 18,737,762,539,021.92
  5. Step 5: Solve for x
    x = 18,737,762,539,021.92/4,756,557.60
  6. Step 6: Final answer
    x = 3,939,353.65

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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.