Home / 3,477,815.70-5,212,233.36-1,557,320.78

Finding the Fourth Proportional to 3,477,815.70, 5,212,233.36 and 1,557,320.78

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Solution

The fourth proportional to 3,477,815.70, 5,212,233.36 and 1,557,320.78 is: 2,333,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,815.70 : 5,212,233.36 = 1,557,320.78 : x
  2. Step 2: Convert to fraction form
    3,477,815.70/5,212,233.36 = 1,557,320.78/x
  3. Step 3: Cross multiply
    3,477,815.70x = 5,212,233.36 × 1,557,320.78
  4. Step 4: Simplify right side
    3,477,815.70x = 8,117,119,334,767.81
  5. Step 5: Solve for x
    x = 8,117,119,334,767.81/3,477,815.70
  6. Step 6: Final answer
    x = 2,333,970.53

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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.