Finding the Fourth Proportional to 6,214,955.12, 8,577,069.28 and 3,767,669.32
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Solution
The fourth proportional to 6,214,955.12, 8,577,069.28 and 3,767,669.32 is: 5,199,645.08
Step by Step Solution
- Step 1: Write the proportion equation
6,214,955.12 : 8,577,069.28 = 3,767,669.32 : x - Step 2: Convert to fraction form
6,214,955.12/8,577,069.28 = 3,767,669.32/x - Step 3: Cross multiply
6,214,955.12x = 8,577,069.28 × 3,767,669.32 - Step 4: Simplify right side
6,214,955.12x = 32,315,560,781,770.48 - Step 5: Solve for x
x = 32,315,560,781,770.48/6,214,955.12 - Step 6: Final answer
x = 5,199,645.08
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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.