Finding the Fourth Proportional to 5,724,647.80, 8,586,971.70 and 3,485,159.80
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Solution
The fourth proportional to 5,724,647.80, 8,586,971.70 and 3,485,159.80 is: 5,227,739.70
Step by Step Solution
- Step 1: Write the proportion equation
5,724,647.80 : 8,586,971.70 = 3,485,159.80 : x - Step 2: Convert to fraction form
5,724,647.80/8,586,971.70 = 3,485,159.80/x - Step 3: Cross multiply
5,724,647.80x = 8,586,971.70 × 3,485,159.80 - Step 4: Simplify right side
5,724,647.80x = 29,926,968,572,577.66 - Step 5: Solve for x
x = 29,926,968,572,577.66/5,724,647.80 - Step 6: Final answer
x = 5,227,739.70
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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.