Finding the Fourth Proportional to 6,815,659.75, 9,405,459.08 and 3,759,873.19
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Solution
The fourth proportional to 6,815,659.75, 9,405,459.08 and 3,759,873.19 is: 5,188,541.49
Step by Step Solution
- Step 1: Write the proportion equation
6,815,659.75 : 9,405,459.08 = 3,759,873.19 : x - Step 2: Convert to fraction form
6,815,659.75/9,405,459.08 = 3,759,873.19/x - Step 3: Cross multiply
6,815,659.75x = 9,405,459.08 × 3,759,873.19 - Step 4: Simplify right side
6,815,659.75x = 35,363,333,406,320.57 - Step 5: Solve for x
x = 35,363,333,406,320.57/6,815,659.75 - Step 6: Final answer
x = 5,188,541.49
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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.