Finding the Fourth Proportional to 4,505,089.05, 6,201,403.20 and 3,931,132.77
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Solution
The fourth proportional to 4,505,089.05, 6,201,403.20 and 3,931,132.77 is: 5,411,333.51
Step by Step Solution
- Step 1: Write the proportion equation
4,505,089.05 : 6,201,403.20 = 3,931,132.77 : x - Step 2: Convert to fraction form
4,505,089.05/6,201,403.20 = 3,931,132.77/x - Step 3: Cross multiply
4,505,089.05x = 6,201,403.20 × 3,931,132.77 - Step 4: Simplify right side
4,505,089.05x = 24,378,539,339,502.86 - Step 5: Solve for x
x = 24,378,539,339,502.86/4,505,089.05 - Step 6: Final answer
x = 5,411,333.51
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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.