Home / 2,631,152.69-3,630,990.89-1,423,928.69

Finding the Fourth Proportional to 2,631,152.69, 3,630,990.89 and 1,423,928.69

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Solution

The fourth proportional to 2,631,152.69, 3,630,990.89 and 1,423,928.69 is: 1,965,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,152.69 : 3,630,990.89 = 1,423,928.69 : x
  2. Step 2: Convert to fraction form
    2,631,152.69/3,630,990.89 = 1,423,928.69/x
  3. Step 3: Cross multiply
    2,631,152.69x = 3,630,990.89 × 1,423,928.69
  4. Step 4: Simplify right side
    2,631,152.69x = 5,170,272,086,804.50
  5. Step 5: Solve for x
    x = 5,170,272,086,804.50/2,631,152.69
  6. Step 6: Final answer
    x = 1,965,021.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.