Finding the Fourth Proportional to 1,524,402.72, 2,103,889.68 and 879,685.92
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Solution
The fourth proportional to 1,524,402.72, 2,103,889.68 and 879,685.92 is: 1,214,090.02
Step by Step Solution
- Step 1: Write the proportion equation
1,524,402.72 : 2,103,889.68 = 879,685.92 : x - Step 2: Convert to fraction form
1,524,402.72/2,103,889.68 = 879,685.92/x - Step 3: Cross multiply
1,524,402.72x = 2,103,889.68 × 879,685.92 - Step 4: Simplify right side
1,524,402.72x = 1,850,762,128,729.31 - Step 5: Solve for x
x = 1,850,762,128,729.31/1,524,402.72 - Step 6: Final answer
x = 1,214,090.02
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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.