Finding the Fourth Proportional to 5,105,552.16, 7,658,408.16 and 1,511,683.68
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Solution
The fourth proportional to 5,105,552.16, 7,658,408.16 and 1,511,683.68 is: 2,267,549.18
Step by Step Solution
- Step 1: Write the proportion equation
5,105,552.16 : 7,658,408.16 = 1,511,683.68 : x - Step 2: Convert to fraction form
5,105,552.16/7,658,408.16 = 1,511,683.68/x - Step 3: Cross multiply
5,105,552.16x = 7,658,408.16 × 1,511,683.68 - Step 4: Simplify right side
5,105,552.16x = 11,577,090,630,250.83 - Step 5: Solve for x
x = 11,577,090,630,250.83/5,105,552.16 - Step 6: Final answer
x = 2,267,549.18
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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.