Finding the Fourth Proportional to 6,358,647.35, 8,774,850.80 and 3,457,976.46
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Solution
The fourth proportional to 6,358,647.35, 8,774,850.80 and 3,457,976.46 is: 4,771,962.63
Step by Step Solution
- Step 1: Write the proportion equation
6,358,647.35 : 8,774,850.80 = 3,457,976.46 : x - Step 2: Convert to fraction form
6,358,647.35/8,774,850.80 = 3,457,976.46/x - Step 3: Cross multiply
6,358,647.35x = 8,774,850.80 × 3,457,976.46 - Step 4: Simplify right side
6,358,647.35x = 30,343,227,489,122.29 - Step 5: Solve for x
x = 30,343,227,489,122.29/6,358,647.35 - Step 6: Final answer
x = 4,771,962.63
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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.