Finding the Fourth Proportional to 5,356,501.85, 7,393,149.53 and 3,521,129.68
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Solution
The fourth proportional to 5,356,501.85, 7,393,149.53 and 3,521,129.68 is: 4,859,932.65
Step by Step Solution
- Step 1: Write the proportion equation
5,356,501.85 : 7,393,149.53 = 3,521,129.68 : x - Step 2: Convert to fraction form
5,356,501.85/7,393,149.53 = 3,521,129.68/x - Step 3: Cross multiply
5,356,501.85x = 7,393,149.53 × 3,521,129.68 - Step 4: Simplify right side
5,356,501.85x = 26,032,238,202,672.53 - Step 5: Solve for x
x = 26,032,238,202,672.53/5,356,501.85 - Step 6: Final answer
x = 4,859,932.65
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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.