Finding the Fourth Proportional to 1,562,557.11, 2,355,547.35 and 1,458,396.75
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Solution
The fourth proportional to 1,562,557.11, 2,355,547.35 and 1,458,396.75 is: 2,198,526.11
Step by Step Solution
- Step 1: Write the proportion equation
1,562,557.11 : 2,355,547.35 = 1,458,396.75 : x - Step 2: Convert to fraction form
1,562,557.11/2,355,547.35 = 1,458,396.75/x - Step 3: Cross multiply
1,562,557.11x = 2,355,547.35 × 1,458,396.75 - Step 4: Simplify right side
1,562,557.11x = 3,435,322,605,809.92 - Step 5: Solve for x
x = 3,435,322,605,809.92/1,562,557.11 - Step 6: Final answer
x = 2,198,526.11
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.