Finding the Fourth Proportional to 1,687,610.44, 2,328,893.94 and 913,240.72
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Solution
The fourth proportional to 1,687,610.44, 2,328,893.94 and 913,240.72 is: 1,260,267.61
Step by Step Solution
- Step 1: Write the proportion equation
1,687,610.44 : 2,328,893.94 = 913,240.72 : x - Step 2: Convert to fraction form
1,687,610.44/2,328,893.94 = 913,240.72/x - Step 3: Cross multiply
1,687,610.44x = 2,328,893.94 × 913,240.72 - Step 4: Simplify right side
1,687,610.44x = 2,126,840,778,569.24 - Step 5: Solve for x
x = 2,126,840,778,569.24/1,687,610.44 - Step 6: Final answer
x = 1,260,267.61
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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.