Home / 2,887,762.91-3,985,159.80-1,580,992.89

Finding the Fourth Proportional to 2,887,762.91, 3,985,159.80 and 1,580,992.89

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Solution

The fourth proportional to 2,887,762.91, 3,985,159.80 and 1,580,992.89 is: 2,181,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,762.91 : 3,985,159.80 = 1,580,992.89 : x
  2. Step 2: Convert to fraction form
    2,887,762.91/3,985,159.80 = 1,580,992.89/x
  3. Step 3: Cross multiply
    2,887,762.91x = 3,985,159.80 × 1,580,992.89
  4. Step 4: Simplify right side
    2,887,762.91x = 6,300,509,309,313.82
  5. Step 5: Solve for x
    x = 6,300,509,309,313.82/2,887,762.91
  6. Step 6: Final answer
    x = 2,181,795.91

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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.