Finding the Fourth Proportional to 1,438,617.57, 2,158,330.97 and 629,073.19
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Solution
The fourth proportional to 1,438,617.57, 2,158,330.97 and 629,073.19 is: 943,786.71
Step by Step Solution
- Step 1: Write the proportion equation
1,438,617.57 : 2,158,330.97 = 629,073.19 : x - Step 2: Convert to fraction form
1,438,617.57/2,158,330.97 = 629,073.19/x - Step 3: Cross multiply
1,438,617.57x = 2,158,330.97 × 629,073.19 - Step 4: Simplify right side
1,438,617.57x = 1,357,748,148,373.69 - Step 5: Solve for x
x = 1,357,748,148,373.69/1,438,617.57 - Step 6: Final answer
x = 943,786.71
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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.