Finding the Fourth Proportional to 5,407,675.74, 7,454,641.95 and 4,116,266.82
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Solution
The fourth proportional to 5,407,675.74, 7,454,641.95 and 4,116,266.82 is: 5,674,396.32
Step by Step Solution
- Step 1: Write the proportion equation
5,407,675.74 : 7,454,641.95 = 4,116,266.82 : x - Step 2: Convert to fraction form
5,407,675.74/7,454,641.95 = 4,116,266.82/x - Step 3: Cross multiply
5,407,675.74x = 7,454,641.95 × 4,116,266.82 - Step 4: Simplify right side
5,407,675.74x = 30,685,295,313,765.10 - Step 5: Solve for x
x = 30,685,295,313,765.10/5,407,675.74 - Step 6: Final answer
x = 5,674,396.32
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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.