Finding the Fourth Proportional to 2,114,362.66, 2,917,398.36 and 1,286,881.96
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Solution
The fourth proportional to 2,114,362.66, 2,917,398.36 and 1,286,881.96 is: 1,775,640.19
Step by Step Solution
- Step 1: Write the proportion equation
2,114,362.66 : 2,917,398.36 = 1,286,881.96 : x - Step 2: Convert to fraction form
2,114,362.66/2,917,398.36 = 1,286,881.96/x - Step 3: Cross multiply
2,114,362.66x = 2,917,398.36 × 1,286,881.96 - Step 4: Simplify right side
2,114,362.66x = 3,754,347,319,617.59 - Step 5: Solve for x
x = 3,754,347,319,617.59/2,114,362.66 - Step 6: Final answer
x = 1,775,640.19
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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.