Finding the Fourth Proportional to 2,508,013.92, 3,461,272.65 and 1,420,478.96
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Solution
The fourth proportional to 2,508,013.92, 3,461,272.65 and 1,420,478.96 is: 1,960,381.85
Step by Step Solution
- Step 1: Write the proportion equation
2,508,013.92 : 3,461,272.65 = 1,420,478.96 : x - Step 2: Convert to fraction form
2,508,013.92/3,461,272.65 = 1,420,478.96/x - Step 3: Cross multiply
2,508,013.92x = 3,461,272.65 × 1,420,478.96 - Step 4: Simplify right side
2,508,013.92x = 4,916,664,956,842.08 - Step 5: Solve for x
x = 4,916,664,956,842.08/2,508,013.92 - Step 6: Final answer
x = 1,960,381.85
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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.