Finding the Fourth Proportional to 4,920,808.80, 7,381,213.20 and 1,374,952.80
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Solution
The fourth proportional to 4,920,808.80, 7,381,213.20 and 1,374,952.80 is: 2,062,429.20
Step by Step Solution
- Step 1: Write the proportion equation
4,920,808.80 : 7,381,213.20 = 1,374,952.80 : x - Step 2: Convert to fraction form
4,920,808.80/7,381,213.20 = 1,374,952.80/x - Step 3: Cross multiply
4,920,808.80x = 7,381,213.20 × 1,374,952.80 - Step 4: Simplify right side
4,920,808.80x = 10,148,819,756,736.96 - Step 5: Solve for x
x = 10,148,819,756,736.96/4,920,808.80 - Step 6: Final answer
x = 2,062,429.20
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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.