Home / 2,927,790.60-4,040,477.31-1,621,042.64

Finding the Fourth Proportional to 2,927,790.60, 4,040,477.31 and 1,621,042.64

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Solution

The fourth proportional to 2,927,790.60, 4,040,477.31 and 1,621,042.64 is: 2,237,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,790.60 : 4,040,477.31 = 1,621,042.64 : x
  2. Step 2: Convert to fraction form
    2,927,790.60/4,040,477.31 = 1,621,042.64/x
  3. Step 3: Cross multiply
    2,927,790.60x = 4,040,477.31 × 1,621,042.64
  4. Step 4: Simplify right side
    2,927,790.60x = 6,549,786,005,462.50
  5. Step 5: Solve for x
    x = 6,549,786,005,462.50/2,927,790.60
  6. Step 6: Final answer
    x = 2,237,108.76

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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.