Finding the Fourth Proportional to 1,968,458.58, 2,716,472.81 and 1,063,040.58
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Solution
The fourth proportional to 1,968,458.58, 2,716,472.81 and 1,063,040.58 is: 1,466,995.99
Step by Step Solution
- Step 1: Write the proportion equation
1,968,458.58 : 2,716,472.81 = 1,063,040.58 : x - Step 2: Convert to fraction form
1,968,458.58/2,716,472.81 = 1,063,040.58/x - Step 3: Cross multiply
1,968,458.58x = 2,716,472.81 × 1,063,040.58 - Step 4: Simplify right side
1,968,458.58x = 2,887,720,834,154.23 - Step 5: Solve for x
x = 2,887,720,834,154.23/1,968,458.58 - Step 6: Final answer
x = 1,466,995.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.