Finding the Fourth Proportional to 5,729,970.78, 7,908,482.95 and 3,284,221.09
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Solution
The fourth proportional to 5,729,970.78, 7,908,482.95 and 3,284,221.09 is: 4,532,868.92
Step by Step Solution
- Step 1: Write the proportion equation
5,729,970.78 : 7,908,482.95 = 3,284,221.09 : x - Step 2: Convert to fraction form
5,729,970.78/7,908,482.95 = 3,284,221.09/x - Step 3: Cross multiply
5,729,970.78x = 7,908,482.95 × 3,284,221.09 - Step 4: Simplify right side
5,729,970.78x = 25,973,206,491,865.19 - Step 5: Solve for x
x = 25,973,206,491,865.19/5,729,970.78 - Step 6: Final answer
x = 4,532,868.92
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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.