Finding the Fourth Proportional to 1,809,877.32, 2,715,165.74 and 687,858.84
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Solution
The fourth proportional to 1,809,877.32, 2,715,165.74 and 687,858.84 is: 1,031,921.19
Step by Step Solution
- Step 1: Write the proportion equation
1,809,877.32 : 2,715,165.74 = 687,858.84 : x - Step 2: Convert to fraction form
1,809,877.32/2,715,165.74 = 687,858.84/x - Step 3: Cross multiply
1,809,877.32x = 2,715,165.74 × 687,858.84 - Step 4: Simplify right side
1,809,877.32x = 1,867,650,756,324.14 - Step 5: Solve for x
x = 1,867,650,756,324.14/1,809,877.32 - Step 6: Final answer
x = 1,031,921.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.