Finding the Fourth Proportional to 5,562,712.80, 8,344,069.20 and 2,195,186.40
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Solution
The fourth proportional to 5,562,712.80, 8,344,069.20 and 2,195,186.40 is: 3,292,779.60
Step by Step Solution
- Step 1: Write the proportion equation
5,562,712.80 : 8,344,069.20 = 2,195,186.40 : x - Step 2: Convert to fraction form
5,562,712.80/8,344,069.20 = 2,195,186.40/x - Step 3: Cross multiply
5,562,712.80x = 8,344,069.20 × 2,195,186.40 - Step 4: Simplify right side
5,562,712.80x = 18,316,787,228,498.88 - Step 5: Solve for x
x = 18,316,787,228,498.88/5,562,712.80 - Step 6: Final answer
x = 3,292,779.60
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Similar ratio
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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.