Finding the Fourth Proportional to 1,369,330.11, 1,889,038.87 and 886,051.31
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Solution
The fourth proportional to 1,369,330.11, 1,889,038.87 and 886,051.31 is: 1,222,338.82
Step by Step Solution
- Step 1: Write the proportion equation
1,369,330.11 : 1,889,038.87 = 886,051.31 : x - Step 2: Convert to fraction form
1,369,330.11/1,889,038.87 = 886,051.31/x - Step 3: Cross multiply
1,369,330.11x = 1,889,038.87 × 886,051.31 - Step 4: Simplify right side
1,369,330.11x = 1,673,785,353,744.10 - Step 5: Solve for x
x = 1,673,785,353,744.10/1,369,330.11 - Step 6: Final answer
x = 1,222,338.82
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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.