Finding the Fourth Proportional to 1,615,445.52, 2,229,419.96 and 927,340.09
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Solution
The fourth proportional to 1,615,445.52, 2,229,419.96 and 927,340.09 is: 1,279,789.68
Step by Step Solution
- Step 1: Write the proportion equation
1,615,445.52 : 2,229,419.96 = 927,340.09 : x - Step 2: Convert to fraction form
1,615,445.52/2,229,419.96 = 927,340.09/x - Step 3: Cross multiply
1,615,445.52x = 2,229,419.96 × 927,340.09 - Step 4: Simplify right side
1,615,445.52x = 2,067,430,506,354.20 - Step 5: Solve for x
x = 2,067,430,506,354.20/1,615,445.52 - Step 6: Final answer
x = 1,279,789.68
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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.