Finding the Fourth Proportional to 3,753,228.96, 5,180,557.10 and 2,183,730.08
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Solution
The fourth proportional to 3,753,228.96, 5,180,557.10 and 2,183,730.08 is: 3,014,188.17
Step by Step Solution
- Step 1: Write the proportion equation
3,753,228.96 : 5,180,557.10 = 2,183,730.08 : x - Step 2: Convert to fraction form
3,753,228.96/5,180,557.10 = 2,183,730.08/x - Step 3: Cross multiply
3,753,228.96x = 5,180,557.10 × 2,183,730.08 - Step 4: Simplify right side
3,753,228.96x = 11,312,938,333,606.13 - Step 5: Solve for x
x = 11,312,938,333,606.13/3,753,228.96 - Step 6: Final answer
x = 3,014,188.17
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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.