Finding the Fourth Proportional to 2,003,655.46, 2,765,328.09 and 1,239,955.06
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Solution
The fourth proportional to 2,003,655.46, 2,765,328.09 and 1,239,955.06 is: 1,711,313.46
Step by Step Solution
- Step 1: Write the proportion equation
2,003,655.46 : 2,765,328.09 = 1,239,955.06 : x - Step 2: Convert to fraction form
2,003,655.46/2,765,328.09 = 1,239,955.06/x - Step 3: Cross multiply
2,003,655.46x = 2,765,328.09 × 1,239,955.06 - Step 4: Simplify right side
2,003,655.46x = 3,428,882,557,755.64 - Step 5: Solve for x
x = 3,428,882,557,755.64/2,003,655.46 - Step 6: Final answer
x = 1,711,313.46
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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.