Finding the Fourth Proportional to 4,931,316.56, 6,807,311.62 and 2,998,194.32
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Solution
The fourth proportional to 4,931,316.56, 6,807,311.62 and 2,998,194.32 is: 4,138,781.76
Step by Step Solution
- Step 1: Write the proportion equation
4,931,316.56 : 6,807,311.62 = 2,998,194.32 : x - Step 2: Convert to fraction form
4,931,316.56/6,807,311.62 = 2,998,194.32/x - Step 3: Cross multiply
4,931,316.56x = 6,807,311.62 × 2,998,194.32 - Step 4: Simplify right side
4,931,316.56x = 20,409,643,033,554.00 - Step 5: Solve for x
x = 20,409,643,033,554.00/4,931,316.56 - Step 6: Final answer
x = 4,138,781.76
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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.