Finding the Fourth Proportional to 5,465,726.40, 8,179,927.20 and 5,017,828.80
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Solution
The fourth proportional to 5,465,726.40, 8,179,927.20 and 5,017,828.80 is: 7,509,610.12
Step by Step Solution
- Step 1: Write the proportion equation
5,465,726.40 : 8,179,927.20 = 5,017,828.80 : x - Step 2: Convert to fraction form
5,465,726.40/8,179,927.20 = 5,017,828.80/x - Step 3: Cross multiply
5,465,726.40x = 8,179,927.20 × 5,017,828.80 - Step 4: Simplify right side
5,465,726.40x = 41,045,474,286,063.36 - Step 5: Solve for x
x = 41,045,474,286,063.36/5,465,726.40 - Step 6: Final answer
x = 7,509,610.12
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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.