Finding the Fourth Proportional to 7,612,790.78, 10,506,207.24 and 4,349,535.62
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Solution
The fourth proportional to 7,612,790.78, 10,506,207.24 and 4,349,535.62 is: 6,002,676.80
Step by Step Solution
- Step 1: Write the proportion equation
7,612,790.78 : 10,506,207.24 = 4,349,535.62 : x - Step 2: Convert to fraction form
7,612,790.78/10,506,207.24 = 4,349,535.62/x - Step 3: Cross multiply
7,612,790.78x = 10,506,207.24 × 4,349,535.62 - Step 4: Simplify right side
7,612,790.78x = 45,697,122,621,481.89 - Step 5: Solve for x
x = 45,697,122,621,481.89/7,612,790.78 - Step 6: Final answer
x = 6,002,676.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.