Finding the Fourth Proportional to 6,763,638.84, 9,333,628.56 and 3,862,969.74
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Solution
The fourth proportional to 6,763,638.84, 9,333,628.56 and 3,862,969.74 is: 5,330,787.99
Step by Step Solution
- Step 1: Write the proportion equation
6,763,638.84 : 9,333,628.56 = 3,862,969.74 : x - Step 2: Convert to fraction form
6,763,638.84/9,333,628.56 = 3,862,969.74/x - Step 3: Cross multiply
6,763,638.84x = 9,333,628.56 × 3,862,969.74 - Step 4: Simplify right side
6,763,638.84x = 36,055,524,691,679.78 - Step 5: Solve for x
x = 36,055,524,691,679.78/6,763,638.84 - Step 6: Final answer
x = 5,330,787.99
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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.