Finding the Fourth Proportional to 6,615,188.22, 9,128,335.79 and 3,714,012.44
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Solution
The fourth proportional to 6,615,188.22, 9,128,335.79 and 3,714,012.44 is: 5,124,986.86
Step by Step Solution
- Step 1: Write the proportion equation
6,615,188.22 : 9,128,335.79 = 3,714,012.44 : x - Step 2: Convert to fraction form
6,615,188.22/9,128,335.79 = 3,714,012.44/x - Step 3: Cross multiply
6,615,188.22x = 9,128,335.79 × 3,714,012.44 - Step 4: Simplify right side
6,615,188.22x = 33,902,752,680,557.22 - Step 5: Solve for x
x = 33,902,752,680,557.22/6,615,188.22 - Step 6: Final answer
x = 5,124,986.86
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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.