Finding the Fourth Proportional to 1,561,327.04, 2,153,442.48 and 1,343,905.68
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Solution
The fourth proportional to 1,561,327.04, 2,153,442.48 and 1,343,905.68 is: 1,853,566.55
Step by Step Solution
- Step 1: Write the proportion equation
1,561,327.04 : 2,153,442.48 = 1,343,905.68 : x - Step 2: Convert to fraction form
1,561,327.04/2,153,442.48 = 1,343,905.68/x - Step 3: Cross multiply
1,561,327.04x = 2,153,442.48 × 1,343,905.68 - Step 4: Simplify right side
1,561,327.04x = 2,894,023,580,425.29 - Step 5: Solve for x
x = 2,894,023,580,425.29/1,561,327.04 - Step 6: Final answer
x = 1,853,566.55
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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.