Finding the Fourth Proportional to 3,020,388.54, 4,167,531.99 and 1,731,633.18
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Solution
The fourth proportional to 3,020,388.54, 4,167,531.99 and 1,731,633.18 is: 2,389,307.39
Step by Step Solution
- Step 1: Write the proportion equation
3,020,388.54 : 4,167,531.99 = 1,731,633.18 : x - Step 2: Convert to fraction form
3,020,388.54/4,167,531.99 = 1,731,633.18/x - Step 3: Cross multiply
3,020,388.54x = 4,167,531.99 × 1,731,633.18 - Step 4: Simplify right side
3,020,388.54x = 7,216,636,672,595.43 - Step 5: Solve for x
x = 7,216,636,672,595.43/3,020,388.54 - Step 6: Final answer
x = 2,389,307.39
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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.