Home / 1,848,420.74-2,770,152.65-1,438,584.89

Finding the Fourth Proportional to 1,848,420.74, 2,770,152.65 and 1,438,584.89

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Solution

The fourth proportional to 1,848,420.74, 2,770,152.65 and 1,438,584.89 is: 2,155,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,420.74 : 2,770,152.65 = 1,438,584.89 : x
  2. Step 2: Convert to fraction form
    1,848,420.74/2,770,152.65 = 1,438,584.89/x
  3. Step 3: Cross multiply
    1,848,420.74x = 2,770,152.65 × 1,438,584.89
  4. Step 4: Simplify right side
    1,848,420.74x = 3,985,099,724,239.77
  5. Step 5: Solve for x
    x = 3,985,099,724,239.77/1,848,420.74
  6. Step 6: Final answer
    x = 2,155,948.40

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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.