Finding the Fourth Proportional to 4,191,197.45, 6,286,779.77 and 1,158,557.45
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Solution
The fourth proportional to 4,191,197.45, 6,286,779.77 and 1,158,557.45 is: 1,737,831.63
Step by Step Solution
- Step 1: Write the proportion equation
4,191,197.45 : 6,286,779.77 = 1,158,557.45 : x - Step 2: Convert to fraction form
4,191,197.45/6,286,779.77 = 1,158,557.45/x - Step 3: Cross multiply
4,191,197.45x = 6,286,779.77 × 1,158,557.45 - Step 4: Simplify right side
4,191,197.45x = 7,283,595,501,816.10 - Step 5: Solve for x
x = 7,283,595,501,816.10/4,191,197.45 - Step 6: Final answer
x = 1,737,831.63
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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.