Finding the Fourth Proportional to 5,648,454.48, 8,473,236.12 and 1,605,128.88
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Solution
The fourth proportional to 5,648,454.48, 8,473,236.12 and 1,605,128.88 is: 2,407,850.86
Step by Step Solution
- Step 1: Write the proportion equation
5,648,454.48 : 8,473,236.12 = 1,605,128.88 : x - Step 2: Convert to fraction form
5,648,454.48/8,473,236.12 = 1,605,128.88/x - Step 3: Cross multiply
5,648,454.48x = 8,473,236.12 × 1,605,128.88 - Step 4: Simplify right side
5,648,454.48x = 13,600,636,003,271.14 - Step 5: Solve for x
x = 13,600,636,003,271.14/5,648,454.48 - Step 6: Final answer
x = 2,407,850.86
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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.