Finding the Fourth Proportional to 4,371,816.24, 6,557,131.80 and 1,177,134.12
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Solution
The fourth proportional to 4,371,816.24, 6,557,131.80 and 1,177,134.12 is: 1,765,541.63
Step by Step Solution
- Step 1: Write the proportion equation
4,371,816.24 : 6,557,131.80 = 1,177,134.12 : x - Step 2: Convert to fraction form
4,371,816.24/6,557,131.80 = 1,177,134.12/x - Step 3: Cross multiply
4,371,816.24x = 6,557,131.80 × 1,177,134.12 - Step 4: Simplify right side
4,371,816.24x = 7,718,623,571,117.02 - Step 5: Solve for x
x = 7,718,623,571,117.02/4,371,816.24 - Step 6: Final answer
x = 1,765,541.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.