Finding the Fourth Proportional to 3,355,276.94, 4,630,699.02 and 1,905,438.09
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Solution
The fourth proportional to 3,355,276.94, 4,630,699.02 and 1,905,438.09 is: 2,629,741.29
Step by Step Solution
- Step 1: Write the proportion equation
3,355,276.94 : 4,630,699.02 = 1,905,438.09 : x - Step 2: Convert to fraction form
3,355,276.94/4,630,699.02 = 1,905,438.09/x - Step 3: Cross multiply
3,355,276.94x = 4,630,699.02 × 1,905,438.09 - Step 4: Simplify right side
3,355,276.94x = 8,823,510,296,033.67 - Step 5: Solve for x
x = 8,823,510,296,033.67/3,355,276.94 - Step 6: Final answer
x = 2,629,741.29
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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.