Finding the Fourth Proportional to 1,526,875.16, 2,107,905.75 and 1,177,251.96
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Solution
The fourth proportional to 1,526,875.16, 2,107,905.75 and 1,177,251.96 is: 1,625,238.42
Step by Step Solution
- Step 1: Write the proportion equation
1,526,875.16 : 2,107,905.75 = 1,177,251.96 : x - Step 2: Convert to fraction form
1,526,875.16/2,107,905.75 = 1,177,251.96/x - Step 3: Cross multiply
1,526,875.16x = 2,107,905.75 × 1,177,251.96 - Step 4: Simplify right side
1,526,875.16x = 2,481,536,175,682.77 - Step 5: Solve for x
x = 2,481,536,175,682.77/1,526,875.16 - Step 6: Final answer
x = 1,625,238.42
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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.