Finding the Fourth Proportional to 6,489,881.42, 8,958,794.11 and 4,043,701.06
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Solution
The fourth proportional to 6,489,881.42, 8,958,794.11 and 4,043,701.06 is: 5,582,025.76
Step by Step Solution
- Step 1: Write the proportion equation
6,489,881.42 : 8,958,794.11 = 4,043,701.06 : x - Step 2: Convert to fraction form
6,489,881.42/8,958,794.11 = 4,043,701.06/x - Step 3: Cross multiply
6,489,881.42x = 8,958,794.11 × 4,043,701.06 - Step 4: Simplify right side
6,489,881.42x = 36,226,685,238,928.76 - Step 5: Solve for x
x = 36,226,685,238,928.76/6,489,881.42 - Step 6: Final answer
x = 5,582,025.76
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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.