Finding the Fourth Proportional to 7,219,274.84, 10,823,291.67 and 3,573,489.23
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Solution
The fourth proportional to 7,219,274.84, 10,823,291.67 and 3,573,489.23 is: 5,357,451.69
Step by Step Solution
- Step 1: Write the proportion equation
7,219,274.84 : 10,823,291.67 = 3,573,489.23 : x - Step 2: Convert to fraction form
7,219,274.84/10,823,291.67 = 3,573,489.23/x - Step 3: Cross multiply
7,219,274.84x = 10,823,291.67 × 3,573,489.23 - Step 4: Simplify right side
7,219,274.84x = 38,676,916,215,893.71 - Step 5: Solve for x
x = 38,676,916,215,893.71/7,219,274.84 - Step 6: Final answer
x = 5,357,451.69
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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.