Finding the Fourth Proportional to 1,490,293.13, 2,056,872.91 and 878,410.17
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Solution
The fourth proportional to 1,490,293.13, 2,056,872.91 and 878,410.17 is: 1,212,364.23
Step by Step Solution
- Step 1: Write the proportion equation
1,490,293.13 : 2,056,872.91 = 878,410.17 : x - Step 2: Convert to fraction form
1,490,293.13/2,056,872.91 = 878,410.17/x - Step 3: Cross multiply
1,490,293.13x = 2,056,872.91 × 878,410.17 - Step 4: Simplify right side
1,490,293.13x = 1,806,778,082,541.49 - Step 5: Solve for x
x = 1,806,778,082,541.49/1,490,293.13 - Step 6: Final answer
x = 1,212,364.23
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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.