Finding the Fourth Proportional to 3,174,623.08, 4,381,012.02 and 1,724,346.88
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Solution
The fourth proportional to 3,174,623.08, 4,381,012.02 and 1,724,346.88 is: 2,379,616.17
Step by Step Solution
- Step 1: Write the proportion equation
3,174,623.08 : 4,381,012.02 = 1,724,346.88 : x - Step 2: Convert to fraction form
3,174,623.08/4,381,012.02 = 1,724,346.88/x - Step 3: Cross multiply
3,174,623.08x = 4,381,012.02 × 1,724,346.88 - Step 4: Simplify right side
3,174,623.08x = 7,554,384,407,929.50 - Step 5: Solve for x
x = 7,554,384,407,929.50/3,174,623.08 - Step 6: Final answer
x = 2,379,616.17
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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.