Finding the Fourth Proportional to 1,689,666.68, 2,331,804.30 and 964,632.44
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Solution
The fourth proportional to 1,689,666.68, 2,331,804.30 and 964,632.44 is: 1,331,229.47
Step by Step Solution
- Step 1: Write the proportion equation
1,689,666.68 : 2,331,804.30 = 964,632.44 : x - Step 2: Convert to fraction form
1,689,666.68/2,331,804.30 = 964,632.44/x - Step 3: Cross multiply
1,689,666.68x = 2,331,804.30 × 964,632.44 - Step 4: Simplify right side
1,689,666.68x = 2,249,334,071,511.49 - Step 5: Solve for x
x = 2,249,334,071,511.49/1,689,666.68 - Step 6: Final answer
x = 1,331,229.47
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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.