Finding the Fourth Proportional to 1,415,223.99, 2,121,063.91 and 1,114,516.96
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Solution
The fourth proportional to 1,415,223.99, 2,121,063.91 and 1,114,516.96 is: 1,670,379.89
Step by Step Solution
- Step 1: Write the proportion equation
1,415,223.99 : 2,121,063.91 = 1,114,516.96 : x - Step 2: Convert to fraction form
1,415,223.99/2,121,063.91 = 1,114,516.96/x - Step 3: Cross multiply
1,415,223.99x = 2,121,063.91 × 1,114,516.96 - Step 4: Simplify right side
1,415,223.99x = 2,363,961,692,849.96 - Step 5: Solve for x
x = 2,363,961,692,849.96/1,415,223.99 - Step 6: Final answer
x = 1,670,379.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.