Home / 1,621,107.56-2,237,400.59-1,097,580.77

Finding the Fourth Proportional to 1,621,107.56, 2,237,400.59 and 1,097,580.77

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Solution

The fourth proportional to 1,621,107.56, 2,237,400.59 and 1,097,580.77 is: 1,514,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,107.56 : 2,237,400.59 = 1,097,580.77 : x
  2. Step 2: Convert to fraction form
    1,621,107.56/2,237,400.59 = 1,097,580.77/x
  3. Step 3: Cross multiply
    1,621,107.56x = 2,237,400.59 × 1,097,580.77
  4. Step 4: Simplify right side
    1,621,107.56x = 2,455,727,845,695.75
  5. Step 5: Solve for x
    x = 2,455,727,845,695.75/1,621,107.56
  6. Step 6: Final answer
    x = 1,514,845.72

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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.