Finding the Fourth Proportional to 6,370,126.55, 8,791,642.38 and 3,757,368.68
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Solution
The fourth proportional to 6,370,126.55, 8,791,642.38 and 3,757,368.68 is: 5,185,680.60
Step by Step Solution
- Step 1: Write the proportion equation
6,370,126.55 : 8,791,642.38 = 3,757,368.68 : x - Step 2: Convert to fraction form
6,370,126.55/8,791,642.38 = 3,757,368.68/x - Step 3: Cross multiply
6,370,126.55x = 8,791,642.38 × 3,757,368.68 - Step 4: Simplify right side
6,370,126.55x = 33,033,441,661,627.60 - Step 5: Solve for x
x = 33,033,441,661,627.60/6,370,126.55 - Step 6: Final answer
x = 5,185,680.60
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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.