Finding the Fourth Proportional to 1,689,402.93, 2,330,805.29 and 963,740.13
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Solution
The fourth proportional to 1,689,402.93, 2,330,805.29 and 963,740.13 is: 1,329,635.78
Step by Step Solution
- Step 1: Write the proportion equation
1,689,402.93 : 2,330,805.29 = 963,740.13 : x - Step 2: Convert to fraction form
1,689,402.93/2,330,805.29 = 963,740.13/x - Step 3: Cross multiply
1,689,402.93x = 2,330,805.29 × 963,740.13 - Step 4: Simplify right side
1,689,402.93x = 2,246,290,588,370.59 - Step 5: Solve for x
x = 2,246,290,588,370.59/1,689,402.93 - Step 6: Final answer
x = 1,329,635.78
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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.