Finding the Fourth Proportional to 1,898,917.77, 2,620,513.60 and 1,039,557.99
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Solution
The fourth proportional to 1,898,917.77, 2,620,513.60 and 1,039,557.99 is: 1,434,593.90
Step by Step Solution
- Step 1: Write the proportion equation
1,898,917.77 : 2,620,513.60 = 1,039,557.99 : x - Step 2: Convert to fraction form
1,898,917.77/2,620,513.60 = 1,039,557.99/x - Step 3: Cross multiply
1,898,917.77x = 2,620,513.60 × 1,039,557.99 - Step 4: Simplify right side
1,898,917.77x = 2,724,175,850,783.66 - Step 5: Solve for x
x = 2,724,175,850,783.66/1,898,917.77 - Step 6: Final answer
x = 1,434,593.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.