Home / 1,905,665.59-2,855,975.19-1,397,848.78

Finding the Fourth Proportional to 1,905,665.59, 2,855,975.19 and 1,397,848.78

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Solution

The fourth proportional to 1,905,665.59, 2,855,975.19 and 1,397,848.78 is: 2,094,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,665.59 : 2,855,975.19 = 1,397,848.78 : x
  2. Step 2: Convert to fraction form
    1,905,665.59/2,855,975.19 = 1,397,848.78/x
  3. Step 3: Cross multiply
    1,905,665.59x = 2,855,975.19 × 1,397,848.78
  4. Step 4: Simplify right side
    1,905,665.59x = 3,992,221,435,051.77
  5. Step 5: Solve for x
    x = 3,992,221,435,051.77/1,905,665.59
  6. Step 6: Final answer
    x = 2,094,922.35

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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.