Home / 1,908,622.88-2,633,902.64-1,049,188.56

Finding the Fourth Proportional to 1,908,622.88, 2,633,902.64 and 1,049,188.56

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Solution

The fourth proportional to 1,908,622.88, 2,633,902.64 and 1,049,188.56 is: 1,447,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,622.88 : 2,633,902.64 = 1,049,188.56 : x
  2. Step 2: Convert to fraction form
    1,908,622.88/2,633,902.64 = 1,049,188.56/x
  3. Step 3: Cross multiply
    1,908,622.88x = 2,633,902.64 × 1,049,188.56
  4. Step 4: Simplify right side
    1,908,622.88x = 2,763,460,518,041.80
  5. Step 5: Solve for x
    x = 2,763,460,518,041.80/1,908,622.88
  6. Step 6: Final answer
    x = 1,447,881.90

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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.