Finding the Fourth Proportional to 3,010,124.58, 4,153,974.76 and 1,720,991.96
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Solution
The fourth proportional to 3,010,124.58, 4,153,974.76 and 1,720,991.96 is: 2,374,970.53
Step by Step Solution
- Step 1: Write the proportion equation
3,010,124.58 : 4,153,974.76 = 1,720,991.96 : x - Step 2: Convert to fraction form
3,010,124.58/4,153,974.76 = 1,720,991.96/x - Step 3: Cross multiply
3,010,124.58x = 4,153,974.76 × 1,720,991.96 - Step 4: Simplify right side
3,010,124.58x = 7,148,957,145,013.03 - Step 5: Solve for x
x = 7,148,957,145,013.03/3,010,124.58 - Step 6: Final answer
x = 2,374,970.53
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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.