Finding the Fourth Proportional to 1,689,525.89, 2,535,199.18 and 1,227,954.08
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Solution
The fourth proportional to 1,689,525.89, 2,535,199.18 and 1,227,954.08 is: 1,842,592.75
Step by Step Solution
- Step 1: Write the proportion equation
1,689,525.89 : 2,535,199.18 = 1,227,954.08 : x - Step 2: Convert to fraction form
1,689,525.89/2,535,199.18 = 1,227,954.08/x - Step 3: Cross multiply
1,689,525.89x = 2,535,199.18 × 1,227,954.08 - Step 4: Simplify right side
1,689,525.89x = 3,113,108,160,947.77 - Step 5: Solve for x
x = 3,113,108,160,947.77/1,689,525.89 - Step 6: Final answer
x = 1,842,592.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.