Home / 2,106,556.16-2,907,039.60-1,139,683.36

Finding the Fourth Proportional to 2,106,556.16, 2,907,039.60 and 1,139,683.36

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Solution

The fourth proportional to 2,106,556.16, 2,907,039.60 and 1,139,683.36 is: 1,572,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,556.16 : 2,907,039.60 = 1,139,683.36 : x
  2. Step 2: Convert to fraction form
    2,106,556.16/2,907,039.60 = 1,139,683.36/x
  3. Step 3: Cross multiply
    2,106,556.16x = 2,907,039.60 × 1,139,683.36
  4. Step 4: Simplify right side
    2,106,556.16x = 3,313,104,658,981.06
  5. Step 5: Solve for x
    x = 3,313,104,658,981.06/2,106,556.16
  6. Step 6: Final answer
    x = 1,572,758.76

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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.