Finding the Fourth Proportional to 1,687,248.12, 2,328,402.60 and 923,301.84
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Solution
The fourth proportional to 1,687,248.12, 2,328,402.60 and 923,301.84 is: 1,274,156.65
Step by Step Solution
- Step 1: Write the proportion equation
1,687,248.12 : 2,328,402.60 = 923,301.84 : x - Step 2: Convert to fraction form
1,687,248.12/2,328,402.60 = 923,301.84/x - Step 3: Cross multiply
1,687,248.12x = 2,328,402.60 × 923,301.84 - Step 4: Simplify right side
1,687,248.12x = 2,149,818,404,840.78 - Step 5: Solve for x
x = 2,149,818,404,840.78/1,687,248.12 - Step 6: Final answer
x = 1,274,156.65
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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.