Finding the Fourth Proportional to 1,349,785.61, 1,862,703.99 and 737,938.21
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Solution
The fourth proportional to 1,349,785.61, 1,862,703.99 and 737,938.21 is: 1,018,354.64
Step by Step Solution
- Step 1: Write the proportion equation
1,349,785.61 : 1,862,703.99 = 737,938.21 : x - Step 2: Convert to fraction form
1,349,785.61/1,862,703.99 = 737,938.21/x - Step 3: Cross multiply
1,349,785.61x = 1,862,703.99 × 737,938.21 - Step 4: Simplify right side
1,349,785.61x = 1,374,560,438,826.94 - Step 5: Solve for x
x = 1,374,560,438,826.94/1,349,785.61 - Step 6: Final answer
x = 1,018,354.64
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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.