Home / 3,885,051.60-5,355,243.72-2,916,784.08

Finding the Fourth Proportional to 3,885,051.60, 5,355,243.72 and 2,916,784.08

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Solution

The fourth proportional to 3,885,051.60, 5,355,243.72 and 2,916,784.08 is: 4,020,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,051.60 : 5,355,243.72 = 2,916,784.08 : x
  2. Step 2: Convert to fraction form
    3,885,051.60/5,355,243.72 = 2,916,784.08/x
  3. Step 3: Cross multiply
    3,885,051.60x = 5,355,243.72 × 2,916,784.08
  4. Step 4: Simplify right side
    3,885,051.60x = 15,620,089,627,015.98
  5. Step 5: Solve for x
    x = 15,620,089,627,015.98/3,885,051.60
  6. Step 6: Final answer
    x = 4,020,561.69

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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.