Home / 1,992,245.10-2,749,285.40-1,132,805.28

Finding the Fourth Proportional to 1,992,245.10, 2,749,285.40 and 1,132,805.28

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Solution

The fourth proportional to 1,992,245.10, 2,749,285.40 and 1,132,805.28 is: 1,563,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,245.10 : 2,749,285.40 = 1,132,805.28 : x
  2. Step 2: Convert to fraction form
    1,992,245.10/2,749,285.40 = 1,132,805.28/x
  3. Step 3: Cross multiply
    1,992,245.10x = 2,749,285.40 × 1,132,805.28
  4. Step 4: Simplify right side
    1,992,245.10x = 3,114,405,011,682.89
  5. Step 5: Solve for x
    x = 3,114,405,011,682.89/1,992,245.10
  6. Step 6: Final answer
    x = 1,563,263.98

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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.