Finding the Fourth Proportional to 2,379,066, 3,283,059.12 and 1,291,339.68
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Solution
The fourth proportional to 2,379,066, 3,283,059.12 and 1,291,339.68 is: 1,782,020.55
Step by Step Solution
- Step 1: Write the proportion equation
2,379,066 : 3,283,059.12 = 1,291,339.68 : x - Step 2: Convert to fraction form
2,379,066/3,283,059.12 = 1,291,339.68/x - Step 3: Cross multiply
2,379,066x = 3,283,059.12 × 1,291,339.68 - Step 4: Simplify right side
2,379,066x = 4,239,544,513,441.88 - Step 5: Solve for x
x = 4,239,544,513,441.88/2,379,066 - Step 6: Final answer
x = 1,782,020.55
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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.