Home / 4,320,122.40-6,480,183.60-1,328,306.40

Finding the Fourth Proportional to 4,320,122.40, 6,480,183.60 and 1,328,306.40

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Solution

The fourth proportional to 4,320,122.40, 6,480,183.60 and 1,328,306.40 is: 1,992,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320,122.40 : 6,480,183.60 = 1,328,306.40 : x
  2. Step 2: Convert to fraction form
    4,320,122.40/6,480,183.60 = 1,328,306.40/x
  3. Step 3: Cross multiply
    4,320,122.40x = 6,480,183.60 × 1,328,306.40
  4. Step 4: Simplify right side
    4,320,122.40x = 8,607,669,349,055.04
  5. Step 5: Solve for x
    x = 8,607,669,349,055.04/4,320,122.40
  6. Step 6: Final answer
    x = 1,992,459.60

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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.