Finding the Fourth Proportional to 1,740,520.68, 2,401,127.40 and 1,128,827.68
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Solution
The fourth proportional to 1,740,520.68, 2,401,127.40 and 1,128,827.68 is: 1,557,269.10
Step by Step Solution
- Step 1: Write the proportion equation
1,740,520.68 : 2,401,127.40 = 1,128,827.68 : x - Step 2: Convert to fraction form
1,740,520.68/2,401,127.40 = 1,128,827.68/x - Step 3: Cross multiply
1,740,520.68x = 2,401,127.40 × 1,128,827.68 - Step 4: Simplify right side
1,740,520.68x = 2,710,459,072,326.43 - Step 5: Solve for x
x = 2,710,459,072,326.43/1,740,520.68 - Step 6: Final answer
x = 1,557,269.10
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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.