Finding the Fourth Proportional to 8,440,258.95, 12,661,460.91 and 2,680,937.79
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Solution
The fourth proportional to 8,440,258.95, 12,661,460.91 and 2,680,937.79 is: 4,021,747.35
Step by Step Solution
- Step 1: Write the proportion equation
8,440,258.95 : 12,661,460.91 = 2,680,937.79 : x - Step 2: Convert to fraction form
8,440,258.95/12,661,460.91 = 2,680,937.79/x - Step 3: Cross multiply
8,440,258.95x = 12,661,460.91 × 2,680,937.79 - Step 4: Simplify right side
8,440,258.95x = 33,944,589,030,226.79 - Step 5: Solve for x
x = 33,944,589,030,226.79/8,440,258.95 - Step 6: Final answer
x = 4,021,747.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.