Finding the Fourth Proportional to 1,747,598.92, 2,411,199.16 and 1,127,141.55
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Solution
The fourth proportional to 1,747,598.92, 2,411,199.16 and 1,127,141.55 is: 1,555,141.02
Step by Step Solution
- Step 1: Write the proportion equation
1,747,598.92 : 2,411,199.16 = 1,127,141.55 : x - Step 2: Convert to fraction form
1,747,598.92/2,411,199.16 = 1,127,141.55/x - Step 3: Cross multiply
1,747,598.92x = 2,411,199.16 × 1,127,141.55 - Step 4: Simplify right side
1,747,598.92x = 2,717,762,755,743.24 - Step 5: Solve for x
x = 2,717,762,755,743.24/1,747,598.92 - Step 6: Final answer
x = 1,555,141.02
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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.