Finding the Fourth Proportional to 4,218,633.99, 6,319,487.25 and 1,940,985.27
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Solution
The fourth proportional to 4,218,633.99, 6,319,487.25 and 1,940,985.27 is: 2,907,583.76
Step by Step Solution
- Step 1: Write the proportion equation
4,218,633.99 : 6,319,487.25 = 1,940,985.27 : x - Step 2: Convert to fraction form
4,218,633.99/6,319,487.25 = 1,940,985.27/x - Step 3: Cross multiply
4,218,633.99x = 6,319,487.25 × 1,940,985.27 - Step 4: Simplify right side
4,218,633.99x = 12,266,031,666,202.81 - Step 5: Solve for x
x = 12,266,031,666,202.81/4,218,633.99 - Step 6: Final answer
x = 2,907,583.76
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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.