Home / 2,106,711.50-2,907,241.20-1,139,820.56

Finding the Fourth Proportional to 2,106,711.50, 2,907,241.20 and 1,139,820.56

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Solution

The fourth proportional to 2,106,711.50, 2,907,241.20 and 1,139,820.56 is: 1,572,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,711.50 : 2,907,241.20 = 1,139,820.56 : x
  2. Step 2: Convert to fraction form
    2,106,711.50/2,907,241.20 = 1,139,820.56/x
  3. Step 3: Cross multiply
    2,106,711.50x = 2,907,241.20 × 1,139,820.56
  4. Step 4: Simplify right side
    2,106,711.50x = 3,313,733,292,639.07
  5. Step 5: Solve for x
    x = 3,313,733,292,639.07/2,106,711.50
  6. Step 6: Final answer
    x = 1,572,941.19

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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.