Finding the Fourth Proportional to 3,187,959.24, 4,399,384.98 and 1,811,304.70
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Solution
The fourth proportional to 3,187,959.24, 4,399,384.98 and 1,811,304.70 is: 2,499,601.18
Step by Step Solution
- Step 1: Write the proportion equation
3,187,959.24 : 4,399,384.98 = 1,811,304.70 : x - Step 2: Convert to fraction form
3,187,959.24/4,399,384.98 = 1,811,304.70/x - Step 3: Cross multiply
3,187,959.24x = 4,399,384.98 × 1,811,304.70 - Step 4: Simplify right side
3,187,959.24x = 7,968,626,691,383.41 - Step 5: Solve for x
x = 7,968,626,691,383.41/3,187,959.24 - Step 6: Final answer
x = 2,499,601.18
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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.