Finding the Fourth Proportional to 4,953,670.80, 7,430,506.20 and 3,248,630.93
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Solution
The fourth proportional to 4,953,670.80, 7,430,506.20 and 3,248,630.93 is: 4,872,946.39
Step by Step Solution
- Step 1: Write the proportion equation
4,953,670.80 : 7,430,506.20 = 3,248,630.93 : x - Step 2: Convert to fraction form
4,953,670.80/7,430,506.20 = 3,248,630.93/x - Step 3: Cross multiply
4,953,670.80x = 7,430,506.20 × 3,248,630.93 - Step 4: Simplify right side
4,953,670.80x = 24,138,972,229,724.23 - Step 5: Solve for x
x = 24,138,972,229,724.23/4,953,670.80 - Step 6: Final answer
x = 4,872,946.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.