Finding the Fourth Proportional to 1,331,946.05, 1,838,325.78 and 751,347.36
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Solution
The fourth proportional to 1,331,946.05, 1,838,325.78 and 751,347.36 is: 1,036,994.87
Step by Step Solution
- Step 1: Write the proportion equation
1,331,946.05 : 1,838,325.78 = 751,347.36 : x - Step 2: Convert to fraction form
1,331,946.05/1,838,325.78 = 751,347.36/x - Step 3: Cross multiply
1,331,946.05x = 1,838,325.78 × 751,347.36 - Step 4: Simplify right side
1,331,946.05x = 1,381,221,221,622.94 - Step 5: Solve for x
x = 1,381,221,221,622.94/1,331,946.05 - Step 6: Final answer
x = 1,036,994.87
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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.