Finding the Fourth Proportional to 1,516,132.49, 2,092,267.26 and 827,810.28
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Solution
The fourth proportional to 1,516,132.49, 2,092,267.26 and 827,810.28 is: 1,142,380.61
Step by Step Solution
- Step 1: Write the proportion equation
1,516,132.49 : 2,092,267.26 = 827,810.28 : x - Step 2: Convert to fraction form
1,516,132.49/2,092,267.26 = 827,810.28/x - Step 3: Cross multiply
1,516,132.49x = 2,092,267.26 × 827,810.28 - Step 4: Simplify right side
1,516,132.49x = 1,732,000,346,335.43 - Step 5: Solve for x
x = 1,732,000,346,335.43/1,516,132.49 - Step 6: Final answer
x = 1,142,380.61
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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.