Finding the Fourth Proportional to 3,726,602.04, 5,142,356.28 and 2,178,226.68
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Solution
The fourth proportional to 3,726,602.04, 5,142,356.28 and 2,178,226.68 is: 3,005,745.59
Step by Step Solution
- Step 1: Write the proportion equation
3,726,602.04 : 5,142,356.28 = 2,178,226.68 : x - Step 2: Convert to fraction form
3,726,602.04/5,142,356.28 = 2,178,226.68/x - Step 3: Cross multiply
3,726,602.04x = 5,142,356.28 × 2,178,226.68 - Step 4: Simplify right side
3,726,602.04x = 11,201,217,647,161.55 - Step 5: Solve for x
x = 11,201,217,647,161.55/3,726,602.04 - Step 6: Final answer
x = 3,005,745.59
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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.