Finding the Fourth Proportional to 1,704,537.84, 2,556,142.29 and 638,998.50
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Solution
The fourth proportional to 1,704,537.84, 2,556,142.29 and 638,998.50 is: 958,248.65
Step by Step Solution
- Step 1: Write the proportion equation
1,704,537.84 : 2,556,142.29 = 638,998.50 : x - Step 2: Convert to fraction form
1,704,537.84/2,556,142.29 = 638,998.50/x - Step 3: Cross multiply
1,704,537.84x = 2,556,142.29 × 638,998.50 - Step 4: Simplify right side
1,704,537.84x = 1,633,371,089,096.57 - Step 5: Solve for x
x = 1,633,371,089,096.57/1,704,537.84 - Step 6: Final answer
x = 958,248.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.