Home / 1,881,388.54-2,596,321.11-1,021,941.82

Finding the Fourth Proportional to 1,881,388.54, 2,596,321.11 and 1,021,941.82

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Solution

The fourth proportional to 1,881,388.54, 2,596,321.11 and 1,021,941.82 is: 1,410,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,388.54 : 2,596,321.11 = 1,021,941.82 : x
  2. Step 2: Convert to fraction form
    1,881,388.54/2,596,321.11 = 1,021,941.82/x
  3. Step 3: Cross multiply
    1,881,388.54x = 2,596,321.11 × 1,021,941.82
  4. Step 4: Simplify right side
    1,881,388.54x = 2,653,289,120,457.82
  5. Step 5: Solve for x
    x = 2,653,289,120,457.82/1,881,388.54
  6. Step 6: Final answer
    x = 1,410,282.39

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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.