Home / 1,921,659.84-2,878,290.72-973,402.56

Finding the Fourth Proportional to 1,921,659.84, 2,878,290.72 and 973,402.56

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Solution

The fourth proportional to 1,921,659.84, 2,878,290.72 and 973,402.56 is: 1,457,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,659.84 : 2,878,290.72 = 973,402.56 : x
  2. Step 2: Convert to fraction form
    1,921,659.84/2,878,290.72 = 973,402.56/x
  3. Step 3: Cross multiply
    1,921,659.84x = 2,878,290.72 × 973,402.56
  4. Step 4: Simplify right side
    1,921,659.84x = 2,801,735,555,272.24
  5. Step 5: Solve for x
    x = 2,801,735,555,272.24/1,921,659.84
  6. Step 6: Final answer
    x = 1,457,976.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.