Finding the Fourth Proportional to 6,245,728.10, 9,354,595.35 and 5,125,984.10
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Solution
The fourth proportional to 6,245,728.10, 9,354,595.35 and 5,125,984.10 is: 7,677,488.72
Step by Step Solution
- Step 1: Write the proportion equation
6,245,728.10 : 9,354,595.35 = 5,125,984.10 : x - Step 2: Convert to fraction form
6,245,728.10/9,354,595.35 = 5,125,984.10/x - Step 3: Cross multiply
6,245,728.10x = 9,354,595.35 × 5,125,984.10 - Step 4: Simplify right side
6,245,728.10x = 47,951,507,026,033.93 - Step 5: Solve for x
x = 47,951,507,026,033.93/6,245,728.10 - Step 6: Final answer
x = 7,677,488.72
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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.