Finding the Fourth Proportional to 2,283,128.56, 3,149,522.87 and 1,411,684.68
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Solution
The fourth proportional to 2,283,128.56, 3,149,522.87 and 1,411,684.68 is: 1,947,386.26
Step by Step Solution
- Step 1: Write the proportion equation
2,283,128.56 : 3,149,522.87 = 1,411,684.68 : x - Step 2: Convert to fraction form
2,283,128.56/3,149,522.87 = 1,411,684.68/x - Step 3: Cross multiply
2,283,128.56x = 3,149,522.87 × 1,411,684.68 - Step 4: Simplify right side
2,283,128.56x = 4,446,133,184,888.63 - Step 5: Solve for x
x = 4,446,133,184,888.63/2,283,128.56 - Step 6: Final answer
x = 1,947,386.26
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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.