Finding the Fourth Proportional to 4,374,575.80, 6,561,863.70 and 2,605,103.80
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Solution
The fourth proportional to 4,374,575.80, 6,561,863.70 and 2,605,103.80 is: 3,907,655.70
Step by Step Solution
- Step 1: Write the proportion equation
4,374,575.80 : 6,561,863.70 = 2,605,103.80 : x - Step 2: Convert to fraction form
4,374,575.80/6,561,863.70 = 2,605,103.80/x - Step 3: Cross multiply
4,374,575.80x = 6,561,863.70 × 2,605,103.80 - Step 4: Simplify right side
4,374,575.80x = 17,094,336,059,952.06 - Step 5: Solve for x
x = 17,094,336,059,952.06/4,374,575.80 - Step 6: Final answer
x = 3,907,655.70
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1.5x scale
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.