Finding the Fourth Proportional to 1,828,493.84, 2,731,621.42 and 1,183,543.76
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Solution
The fourth proportional to 1,828,493.84, 2,731,621.42 and 1,183,543.76 is: 1,768,118.34
Step by Step Solution
- Step 1: Write the proportion equation
1,828,493.84 : 2,731,621.42 = 1,183,543.76 : x - Step 2: Convert to fraction form
1,828,493.84/2,731,621.42 = 1,183,543.76/x - Step 3: Cross multiply
1,828,493.84x = 2,731,621.42 × 1,183,543.76 - Step 4: Simplify right side
1,828,493.84x = 3,232,993,486,323.34 - Step 5: Solve for x
x = 3,232,993,486,323.34/1,828,493.84 - Step 6: Final answer
x = 1,768,118.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.