Finding the Fourth Proportional to 4,239,701.48, 6,355,703.57 and 1,542,119.60
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Solution
The fourth proportional to 4,239,701.48, 6,355,703.57 and 1,542,119.60 is: 2,311,779.51
Step by Step Solution
- Step 1: Write the proportion equation
4,239,701.48 : 6,355,703.57 = 1,542,119.60 : x - Step 2: Convert to fraction form
4,239,701.48/6,355,703.57 = 1,542,119.60/x - Step 3: Cross multiply
4,239,701.48x = 6,355,703.57 × 1,542,119.60 - Step 4: Simplify right side
4,239,701.48x = 9,801,255,007,597.86 - Step 5: Solve for x
x = 9,801,255,007,597.86/4,239,701.48 - Step 6: Final answer
x = 2,311,779.51
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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.