Finding the Fourth Proportional to 1,886,382.09, 2,603,125.62 and 1,026,945.36
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Solution
The fourth proportional to 1,886,382.09, 2,603,125.62 and 1,026,945.36 is: 1,417,140.14
Step by Step Solution
- Step 1: Write the proportion equation
1,886,382.09 : 2,603,125.62 = 1,026,945.36 : x - Step 2: Convert to fraction form
1,886,382.09/2,603,125.62 = 1,026,945.36/x - Step 3: Cross multiply
1,886,382.09x = 2,603,125.62 × 1,026,945.36 - Step 4: Simplify right side
1,886,382.09x = 2,673,267,776,956.12 - Step 5: Solve for x
x = 2,673,267,776,956.12/1,886,382.09 - Step 6: Final answer
x = 1,417,140.14
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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.