Finding the Fourth Proportional to 1,343,268.48, 2,014,900.40 and 921,264.96
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Solution
The fourth proportional to 1,343,268.48, 2,014,900.40 and 921,264.96 is: 1,381,895.85
Step by Step Solution
- Step 1: Write the proportion equation
1,343,268.48 : 2,014,900.40 = 921,264.96 : x - Step 2: Convert to fraction form
1,343,268.48/2,014,900.40 = 921,264.96/x - Step 3: Cross multiply
1,343,268.48x = 2,014,900.40 × 921,264.96 - Step 4: Simplify right side
1,343,268.48x = 1,856,257,136,409.98 - Step 5: Solve for x
x = 1,856,257,136,409.98/1,343,268.48 - Step 6: Final answer
x = 1,381,895.85
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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.