Finding the Fourth Proportional to 2,432,367.12, 3,357,613.80 and 2,177,277.20
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Solution
The fourth proportional to 2,432,367.12, 3,357,613.80 and 2,177,277.20 is: 3,005,490.38
Step by Step Solution
- Step 1: Write the proportion equation
2,432,367.12 : 3,357,613.80 = 2,177,277.20 : x - Step 2: Convert to fraction form
2,432,367.12/3,357,613.80 = 2,177,277.20/x - Step 3: Cross multiply
2,432,367.12x = 3,357,613.80 × 2,177,277.20 - Step 4: Simplify right side
2,432,367.12x = 7,310,455,973,145.36 - Step 5: Solve for x
x = 7,310,455,973,145.36/2,432,367.12 - Step 6: Final answer
x = 3,005,490.38
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1.5x scale
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.