Finding the Fourth Proportional to 3,610,865.92, 4,980,089.48 and 3,174,349.96
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Solution
The fourth proportional to 3,610,865.92, 4,980,089.48 and 3,174,349.96 is: 4,378,048.70
Step by Step Solution
- Step 1: Write the proportion equation
3,610,865.92 : 4,980,089.48 = 3,174,349.96 : x - Step 2: Convert to fraction form
3,610,865.92/4,980,089.48 = 3,174,349.96/x - Step 3: Cross multiply
3,610,865.92x = 4,980,089.48 × 3,174,349.96 - Step 4: Simplify right side
3,610,865.92x = 15,808,546,841,634.42 - Step 5: Solve for x
x = 15,808,546,841,634.42/3,610,865.92 - Step 6: Final answer
x = 4,378,048.70
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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.