Finding the Fourth Proportional to 4,521,449.72, 6,781,122.42 and 1,682,898.68
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Solution
The fourth proportional to 4,521,449.72, 6,781,122.42 and 1,682,898.68 is: 2,523,956.40
Step by Step Solution
- Step 1: Write the proportion equation
4,521,449.72 : 6,781,122.42 = 1,682,898.68 : x - Step 2: Convert to fraction form
4,521,449.72/6,781,122.42 = 1,682,898.68/x - Step 3: Cross multiply
4,521,449.72x = 6,781,122.42 × 1,682,898.68 - Step 4: Simplify right side
4,521,449.72x = 11,411,941,969,536.40 - Step 5: Solve for x
x = 11,411,941,969,536.40/4,521,449.72 - Step 6: Final answer
x = 2,523,956.40
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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.