Finding the Fourth Proportional to 1,728,972.56, 2,386,006.74 and 965,026.13
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Solution
The fourth proportional to 1,728,972.56, 2,386,006.74 and 965,026.13 is: 1,331,749.79
Step by Step Solution
- Step 1: Write the proportion equation
1,728,972.56 : 2,386,006.74 = 965,026.13 : x - Step 2: Convert to fraction form
1,728,972.56/2,386,006.74 = 965,026.13/x - Step 3: Cross multiply
1,728,972.56x = 2,386,006.74 × 965,026.13 - Step 4: Simplify right side
1,728,972.56x = 2,302,558,838,526.08 - Step 5: Solve for x
x = 2,302,558,838,526.08/1,728,972.56 - Step 6: Final answer
x = 1,331,749.79
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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.