Finding the Fourth Proportional to 6,821,039.84, 9,389,142.74 and 5,948,334.84
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Solution
The fourth proportional to 6,821,039.84, 9,389,142.74 and 5,948,334.84 is: 8,187,866.69
Step by Step Solution
- Step 1: Write the proportion equation
6,821,039.84 : 9,389,142.74 = 5,948,334.84 : x - Step 2: Convert to fraction form
6,821,039.84/9,389,142.74 = 5,948,334.84/x - Step 3: Cross multiply
6,821,039.84x = 9,389,142.74 × 5,948,334.84 - Step 4: Simplify right side
6,821,039.84x = 55,849,764,878,075.06 - Step 5: Solve for x
x = 55,849,764,878,075.06/6,821,039.84 - Step 6: Final answer
x = 8,187,866.69
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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.