Finding the Fourth Proportional to 2,127,097.68, 2,935,403.88 and 1,160,248.56
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Solution
The fourth proportional to 2,127,097.68, 2,935,403.88 and 1,160,248.56 is: 1,601,147.97
Step by Step Solution
- Step 1: Write the proportion equation
2,127,097.68 : 2,935,403.88 = 1,160,248.56 : x - Step 2: Convert to fraction form
2,127,097.68/2,935,403.88 = 1,160,248.56/x - Step 3: Cross multiply
2,127,097.68x = 2,935,403.88 × 1,160,248.56 - Step 4: Simplify right side
2,127,097.68x = 3,405,798,124,788.41 - Step 5: Solve for x
x = 3,405,798,124,788.41/2,127,097.68 - Step 6: Final answer
x = 1,601,147.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.