Finding the Fourth Proportional to 1,911,193.79, 2,637,447.81 and 1,051,754.05
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Solution
The fourth proportional to 1,911,193.79, 2,637,447.81 and 1,051,754.05 is: 1,451,420.80
Step by Step Solution
- Step 1: Write the proportion equation
1,911,193.79 : 2,637,447.81 = 1,051,754.05 : x - Step 2: Convert to fraction form
1,911,193.79/2,637,447.81 = 1,051,754.05/x - Step 3: Cross multiply
1,911,193.79x = 2,637,447.81 × 1,051,754.05 - Step 4: Simplify right side
1,911,193.79x = 2,773,946,410,572.36 - Step 5: Solve for x
x = 2,773,946,410,572.36/1,911,193.79 - Step 6: Final answer
x = 1,451,420.80
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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.