Finding the Fourth Proportional to 1,689,058.60, 2,330,876.80 and 964,135.96
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Solution
The fourth proportional to 1,689,058.60, 2,330,876.80 and 964,135.96 is: 1,330,493.89
Step by Step Solution
- Step 1: Write the proportion equation
1,689,058.60 : 2,330,876.80 = 964,135.96 : x - Step 2: Convert to fraction form
1,689,058.60/2,330,876.80 = 964,135.96/x - Step 3: Cross multiply
1,689,058.60x = 2,330,876.80 × 964,135.96 - Step 4: Simplify right side
1,689,058.60x = 2,247,282,141,209.73 - Step 5: Solve for x
x = 2,247,282,141,209.73/1,689,058.60 - Step 6: Final answer
x = 1,330,493.89
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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.