Finding the Fourth Proportional to 7,219,274.63, 10,823,289.35 and 3,573,487.92
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Solution
The fourth proportional to 7,219,274.63, 10,823,289.35 and 3,573,487.92 is: 5,357,448.74
Step by Step Solution
- Step 1: Write the proportion equation
7,219,274.63 : 10,823,289.35 = 3,573,487.92 : x - Step 2: Convert to fraction form
7,219,274.63/10,823,289.35 = 3,573,487.92/x - Step 3: Cross multiply
7,219,274.63x = 10,823,289.35 × 3,573,487.92 - Step 4: Simplify right side
7,219,274.63x = 38,676,893,729,022.21 - Step 5: Solve for x
x = 38,676,893,729,022.21/7,219,274.63 - Step 6: Final answer
x = 5,357,448.74
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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.