Finding the Fourth Proportional to 4,724,486.16, 7,087,858.08 and 1,529,615.88
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Solution
The fourth proportional to 4,724,486.16, 7,087,858.08 and 1,529,615.88 is: 2,294,789.30
Step by Step Solution
- Step 1: Write the proportion equation
4,724,486.16 : 7,087,858.08 = 1,529,615.88 : x - Step 2: Convert to fraction form
4,724,486.16/7,087,858.08 = 1,529,615.88/x - Step 3: Cross multiply
4,724,486.16x = 7,087,858.08 × 1,529,615.88 - Step 4: Simplify right side
4,724,486.16x = 10,841,700,274,354.31 - Step 5: Solve for x
x = 10,841,700,274,354.31/4,724,486.16 - Step 6: Final answer
x = 2,294,789.30
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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.