Home / 1,556,006.81-2,147,327.37-867,671.96

Finding the Fourth Proportional to 1,556,006.81, 2,147,327.37 and 867,671.96

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Solution

The fourth proportional to 1,556,006.81, 2,147,327.37 and 867,671.96 is: 1,197,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,006.81 : 2,147,327.37 = 867,671.96 : x
  2. Step 2: Convert to fraction form
    1,556,006.81/2,147,327.37 = 867,671.96/x
  3. Step 3: Cross multiply
    1,556,006.81x = 2,147,327.37 × 867,671.96
  4. Step 4: Simplify right side
    1,556,006.81x = 1,863,175,737,152.91
  5. Step 5: Solve for x
    x = 1,863,175,737,152.91/1,556,006.81
  6. Step 6: Final answer
    x = 1,197,408.47

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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.