Home / 2,106,421.34-2,906,943.86-1,235,134.94

Finding the Fourth Proportional to 2,106,421.34, 2,906,943.86 and 1,235,134.94

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Solution

The fourth proportional to 2,106,421.34, 2,906,943.86 and 1,235,134.94 is: 1,704,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,421.34 : 2,906,943.86 = 1,235,134.94 : x
  2. Step 2: Convert to fraction form
    2,106,421.34/2,906,943.86 = 1,235,134.94/x
  3. Step 3: Cross multiply
    2,106,421.34x = 2,906,943.86 × 1,235,134.94
  4. Step 4: Simplify right side
    2,106,421.34x = 3,590,467,918,657.59
  5. Step 5: Solve for x
    x = 3,590,467,918,657.59/2,106,421.34
  6. Step 6: Final answer
    x = 1,704,534.54

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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.