Finding the Fourth Proportional to 3,020,990.01, 4,169,364.35 and 1,813,843.77
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Solution
The fourth proportional to 3,020,990.01, 4,169,364.35 and 1,813,843.77 is: 2,503,343.45
Step by Step Solution
- Step 1: Write the proportion equation
3,020,990.01 : 4,169,364.35 = 1,813,843.77 : x - Step 2: Convert to fraction form
3,020,990.01/4,169,364.35 = 1,813,843.77/x - Step 3: Cross multiply
3,020,990.01x = 4,169,364.35 × 1,813,843.77 - Step 4: Simplify right side
3,020,990.01x = 7,562,575,551,107.60 - Step 5: Solve for x
x = 7,562,575,551,107.60/3,020,990.01 - Step 6: Final answer
x = 2,503,343.45
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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.