Finding the Fourth Proportional to 1,689,665.68, 2,331,802.92 and 964,631.44
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Solution
The fourth proportional to 1,689,665.68, 2,331,802.92 and 964,631.44 is: 1,331,228.09
Step by Step Solution
- Step 1: Write the proportion equation
1,689,665.68 : 2,331,802.92 = 964,631.44 : x - Step 2: Convert to fraction form
1,689,665.68/2,331,802.92 = 964,631.44/x - Step 3: Cross multiply
1,689,665.68x = 2,331,802.92 × 964,631.44 - Step 4: Simplify right side
1,689,665.68x = 2,249,330,408,515.80 - Step 5: Solve for x
x = 2,249,330,408,515.80/1,689,665.68 - Step 6: Final answer
x = 1,331,228.09
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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.