Finding the Fourth Proportional to 2,270,659.07, 3,133,486.70 and 1,238,164.32
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Solution
The fourth proportional to 2,270,659.07, 3,133,486.70 and 1,238,164.32 is: 1,708,654.32
Step by Step Solution
- Step 1: Write the proportion equation
2,270,659.07 : 3,133,486.70 = 1,238,164.32 : x - Step 2: Convert to fraction form
2,270,659.07/3,133,486.70 = 1,238,164.32/x - Step 3: Cross multiply
2,270,659.07x = 3,133,486.70 × 1,238,164.32 - Step 4: Simplify right side
2,270,659.07x = 3,879,771,429,134.54 - Step 5: Solve for x
x = 3,879,771,429,134.54/2,270,659.07 - Step 6: Final answer
x = 1,708,654.32
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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.