Finding the Fourth Proportional to 4,111,904.39, 6,142,866.38 and 2,660,765.97
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Solution
The fourth proportional to 4,111,904.39, 6,142,866.38 and 2,660,765.97 is: 3,974,978.08
Step by Step Solution
- Step 1: Write the proportion equation
4,111,904.39 : 6,142,866.38 = 2,660,765.97 : x - Step 2: Convert to fraction form
4,111,904.39/6,142,866.38 = 2,660,765.97/x - Step 3: Cross multiply
4,111,904.39x = 6,142,866.38 × 2,660,765.97 - Step 4: Simplify right side
4,111,904.39x = 16,344,729,791,446.76 - Step 5: Solve for x
x = 16,344,729,791,446.76/4,111,904.39 - Step 6: Final answer
x = 3,974,978.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.