Finding the Fourth Proportional to 3,602,995.12, 5,405,263.67 and 1,328,526.06
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Solution
The fourth proportional to 3,602,995.12, 5,405,263.67 and 1,328,526.06 is: 1,993,073.38
Step by Step Solution
- Step 1: Write the proportion equation
3,602,995.12 : 5,405,263.67 = 1,328,526.06 : x - Step 2: Convert to fraction form
3,602,995.12/5,405,263.67 = 1,328,526.06/x - Step 3: Cross multiply
3,602,995.12x = 5,405,263.67 × 1,328,526.06 - Step 4: Simplify right side
3,602,995.12x = 7,181,033,646,766.24 - Step 5: Solve for x
x = 7,181,033,646,766.24/3,602,995.12 - Step 6: Final answer
x = 1,993,073.38
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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.