Finding the Fourth Proportional to 1,874,725.76, 2,587,331.96 and 1,058,982.01
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Solution
The fourth proportional to 1,874,725.76, 2,587,331.96 and 1,058,982.01 is: 1,461,514.02
Step by Step Solution
- Step 1: Write the proportion equation
1,874,725.76 : 2,587,331.96 = 1,058,982.01 : x - Step 2: Convert to fraction form
1,874,725.76/2,587,331.96 = 1,058,982.01/x - Step 3: Cross multiply
1,874,725.76x = 2,587,331.96 × 1,058,982.01 - Step 4: Simplify right side
1,874,725.76x = 2,739,937,989,658.04 - Step 5: Solve for x
x = 2,739,937,989,658.04/1,874,725.76 - Step 6: Final answer
x = 1,461,514.02
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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.