Finding the Fourth Proportional to 1,603,557.96, 2,212,916.36 and 878,410.73
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Solution
The fourth proportional to 1,603,557.96, 2,212,916.36 and 878,410.73 is: 1,212,210.29
Step by Step Solution
- Step 1: Write the proportion equation
1,603,557.96 : 2,212,916.36 = 878,410.73 : x - Step 2: Convert to fraction form
1,603,557.96/2,212,916.36 = 878,410.73/x - Step 3: Cross multiply
1,603,557.96x = 2,212,916.36 × 878,410.73 - Step 4: Simplify right side
1,603,557.96x = 1,943,849,463,909.13 - Step 5: Solve for x
x = 1,943,849,463,909.13/1,603,557.96 - Step 6: Final answer
x = 1,212,210.29
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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.