Finding the Fourth Proportional to 5,286,779.86, 7,295,756.20 and 2,994,940.55
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Solution
The fourth proportional to 5,286,779.86, 7,295,756.20 and 2,994,940.55 is: 4,133,017.95
Step by Step Solution
- Step 1: Write the proportion equation
5,286,779.86 : 7,295,756.20 = 2,994,940.55 : x - Step 2: Convert to fraction form
5,286,779.86/7,295,756.20 = 2,994,940.55/x - Step 3: Cross multiply
5,286,779.86x = 7,295,756.20 × 2,994,940.55 - Step 4: Simplify right side
5,286,779.86x = 21,850,356,042,327.78 - Step 5: Solve for x
x = 21,850,356,042,327.78/5,286,779.86 - Step 6: Final answer
x = 4,133,017.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.