Finding the Fourth Proportional to 1,386,027.30, 2,079,040.95 and 938,129.70
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Solution
The fourth proportional to 1,386,027.30, 2,079,040.95 and 938,129.70 is: 1,407,194.55
Step by Step Solution
- Step 1: Write the proportion equation
1,386,027.30 : 2,079,040.95 = 938,129.70 : x - Step 2: Convert to fraction form
1,386,027.30/2,079,040.95 = 938,129.70/x - Step 3: Cross multiply
1,386,027.30x = 2,079,040.95 × 938,129.70 - Step 4: Simplify right side
1,386,027.30x = 1,950,410,062,711.22 - Step 5: Solve for x
x = 1,950,410,062,711.22/1,386,027.30 - Step 6: Final answer
x = 1,407,194.55
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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.