Finding the Fourth Proportional to 5,242,033.68, 7,234,239.24 and 2,950,342.80
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Solution
The fourth proportional to 5,242,033.68, 7,234,239.24 and 2,950,342.80 is: 4,071,604.07
Step by Step Solution
- Step 1: Write the proportion equation
5,242,033.68 : 7,234,239.24 = 2,950,342.80 : x - Step 2: Convert to fraction form
5,242,033.68/7,234,239.24 = 2,950,342.80/x - Step 3: Cross multiply
5,242,033.68x = 7,234,239.24 × 2,950,342.80 - Step 4: Simplify right side
5,242,033.68x = 21,343,485,655,211.47 - Step 5: Solve for x
x = 21,343,485,655,211.47/5,242,033.68 - Step 6: Final answer
x = 4,071,604.07
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1.5x scale
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.