Finding the Fourth Proportional to 3,068,965.10, 4,235,424.06 and 1,692,578.08
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Solution
The fourth proportional to 3,068,965.10, 4,235,424.06 and 1,692,578.08 is: 2,335,896.85
Step by Step Solution
- Step 1: Write the proportion equation
3,068,965.10 : 4,235,424.06 = 1,692,578.08 : x - Step 2: Convert to fraction form
3,068,965.10/4,235,424.06 = 1,692,578.08/x - Step 3: Cross multiply
3,068,965.10x = 4,235,424.06 × 1,692,578.08 - Step 4: Simplify right side
3,068,965.10x = 7,168,785,923,460.61 - Step 5: Solve for x
x = 7,168,785,923,460.61/3,068,965.10 - Step 6: Final answer
x = 2,335,896.85
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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.