Finding the Fourth Proportional to 6,786,135.36, 9,364,876.80 and 3,730,368.24
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Solution
The fourth proportional to 6,786,135.36, 9,364,876.80 and 3,730,368.24 is: 5,147,913.67
Step by Step Solution
- Step 1: Write the proportion equation
6,786,135.36 : 9,364,876.80 = 3,730,368.24 : x - Step 2: Convert to fraction form
6,786,135.36/9,364,876.80 = 3,730,368.24/x - Step 3: Cross multiply
6,786,135.36x = 9,364,876.80 × 3,730,368.24 - Step 4: Simplify right side
6,786,135.36x = 34,934,438,986,232.84 - Step 5: Solve for x
x = 34,934,438,986,232.84/6,786,135.36 - Step 6: Final answer
x = 5,147,913.67
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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.