Finding the Fourth Proportional to 5,220,475.04, 7,204,304.73 and 2,928,684.93
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Solution
The fourth proportional to 5,220,475.04, 7,204,304.73 and 2,928,684.93 is: 4,041,612.79
Step by Step Solution
- Step 1: Write the proportion equation
5,220,475.04 : 7,204,304.73 = 2,928,684.93 : x - Step 2: Convert to fraction form
5,220,475.04/7,204,304.73 = 2,928,684.93/x - Step 3: Cross multiply
5,220,475.04x = 7,204,304.73 × 2,928,684.93 - Step 4: Simplify right side
5,220,475.04x = 21,099,138,693,878.72 - Step 5: Solve for x
x = 21,099,138,693,878.72/5,220,475.04 - Step 6: Final answer
x = 4,041,612.79
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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.