Finding the Fourth Proportional to 2,235,438.19, 3,085,307.30 and 1,317,613.76
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Solution
The fourth proportional to 2,235,438.19, 3,085,307.30 and 1,317,613.76 is: 1,818,544.28
Step by Step Solution
- Step 1: Write the proportion equation
2,235,438.19 : 3,085,307.30 = 1,317,613.76 : x - Step 2: Convert to fraction form
2,235,438.19/3,085,307.30 = 1,317,613.76/x - Step 3: Cross multiply
2,235,438.19x = 3,085,307.30 × 1,317,613.76 - Step 4: Simplify right side
2,235,438.19x = 4,065,243,330,293.84 - Step 5: Solve for x
x = 4,065,243,330,293.84/2,235,438.19 - Step 6: Final answer
x = 1,818,544.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.