Finding the Fourth Proportional to 3,436,179.05, 4,742,008.96 and 1,887,473.17
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Solution
The fourth proportional to 3,436,179.05, 4,742,008.96 and 1,887,473.17 is: 2,604,757.95
Step by Step Solution
- Step 1: Write the proportion equation
3,436,179.05 : 4,742,008.96 = 1,887,473.17 : x - Step 2: Convert to fraction form
3,436,179.05/4,742,008.96 = 1,887,473.17/x - Step 3: Cross multiply
3,436,179.05x = 4,742,008.96 × 1,887,473.17 - Step 4: Simplify right side
3,436,179.05x = 8,950,414,683,899.60 - Step 5: Solve for x
x = 8,950,414,683,899.60/3,436,179.05 - Step 6: Final answer
x = 2,604,757.95
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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.