Finding the Fourth Proportional to 2,816,356.48, 3,886,777.92 and 1,609,106.56
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Solution
The fourth proportional to 2,816,356.48, 3,886,777.92 and 1,609,106.56 is: 2,220,684.74
Step by Step Solution
- Step 1: Write the proportion equation
2,816,356.48 : 3,886,777.92 = 1,609,106.56 : x - Step 2: Convert to fraction form
2,816,356.48/3,886,777.92 = 1,609,106.56/x - Step 3: Cross multiply
2,816,356.48x = 3,886,777.92 × 1,609,106.56 - Step 4: Simplify right side
2,816,356.48x = 6,254,239,848,335.16 - Step 5: Solve for x
x = 6,254,239,848,335.16/2,816,356.48 - Step 6: Final answer
x = 2,220,684.74
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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.