Finding the Fourth Proportional to 6,307,928.25, 8,704,944.35 and 3,407,319.06
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Solution
The fourth proportional to 6,307,928.25, 8,704,944.35 and 3,407,319.06 is: 4,702,102.12
Step by Step Solution
- Step 1: Write the proportion equation
6,307,928.25 : 8,704,944.35 = 3,407,319.06 : x - Step 2: Convert to fraction form
6,307,928.25/8,704,944.35 = 3,407,319.06/x - Step 3: Cross multiply
6,307,928.25x = 8,704,944.35 × 3,407,319.06 - Step 4: Simplify right side
6,307,928.25x = 29,660,522,799,994.31 - Step 5: Solve for x
x = 29,660,522,799,994.31/6,307,928.25 - Step 6: Final answer
x = 4,702,102.12
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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.