Home / 1,881,087.12-2,595,918.96-1,021,664.16

Finding the Fourth Proportional to 1,881,087.12, 2,595,918.96 and 1,021,664.16

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Solution

The fourth proportional to 1,881,087.12, 2,595,918.96 and 1,021,664.16 is: 1,409,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,087.12 : 2,595,918.96 = 1,021,664.16 : x
  2. Step 2: Convert to fraction form
    1,881,087.12/2,595,918.96 = 1,021,664.16/x
  3. Step 3: Cross multiply
    1,881,087.12x = 2,595,918.96 × 1,021,664.16
  4. Step 4: Simplify right side
    1,881,087.12x = 2,652,157,363,696.47
  5. Step 5: Solve for x
    x = 2,652,157,363,696.47/1,881,087.12
  6. Step 6: Final answer
    x = 1,409,906.72

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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.