Finding the Fourth Proportional to 1,689,663.68, 2,331,800.16 and 964,629.44
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Solution
The fourth proportional to 1,689,663.68, 2,331,800.16 and 964,629.44 is: 1,331,225.33
Step by Step Solution
- Step 1: Write the proportion equation
1,689,663.68 : 2,331,800.16 = 964,629.44 : x - Step 2: Convert to fraction form
1,689,663.68/2,331,800.16 = 964,629.44/x - Step 3: Cross multiply
1,689,663.68x = 2,331,800.16 × 964,629.44 - Step 4: Simplify right side
1,689,663.68x = 2,249,323,082,532.71 - Step 5: Solve for x
x = 2,249,323,082,532.71/1,689,663.68 - Step 6: Final answer
x = 1,331,225.33
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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.