Finding the Fourth Proportional to 5,242,316.16, 7,234,629.12 and 2,950,625.28
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Solution
The fourth proportional to 5,242,316.16, 7,234,629.12 and 2,950,625.28 is: 4,071,993.93
Step by Step Solution
- Step 1: Write the proportion equation
5,242,316.16 : 7,234,629.12 = 2,950,625.28 : x - Step 2: Convert to fraction form
5,242,316.16/7,234,629.12 = 2,950,625.28/x - Step 3: Cross multiply
5,242,316.16x = 7,234,629.12 × 2,950,625.28 - Step 4: Simplify right side
5,242,316.16x = 21,346,679,572,896.15 - Step 5: Solve for x
x = 21,346,679,572,896.15/5,242,316.16 - Step 6: Final answer
x = 4,071,993.93
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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.