Finding the Fourth Proportional to 2,135,575.80, 2,946,638.16 and 1,264,684.14
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Solution
The fourth proportional to 2,135,575.80, 2,946,638.16 and 1,264,684.14 is: 1,744,993.81
Step by Step Solution
- Step 1: Write the proportion equation
2,135,575.80 : 2,946,638.16 = 1,264,684.14 : x - Step 2: Convert to fraction form
2,135,575.80/2,946,638.16 = 1,264,684.14/x - Step 3: Cross multiply
2,135,575.80x = 2,946,638.16 × 1,264,684.14 - Step 4: Simplify right side
2,135,575.80x = 3,726,566,547,270.78 - Step 5: Solve for x
x = 3,726,566,547,270.78/2,135,575.80 - Step 6: Final answer
x = 1,744,993.81
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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.