Finding the Fourth Proportional to 3,436,178.05, 4,742,007.58 and 1,887,472.17
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Solution
The fourth proportional to 3,436,178.05, 4,742,007.58 and 1,887,472.17 is: 2,604,756.57
Step by Step Solution
- Step 1: Write the proportion equation
3,436,178.05 : 4,742,007.58 = 1,887,472.17 : x - Step 2: Convert to fraction form
3,436,178.05/4,742,007.58 = 1,887,472.17/x - Step 3: Cross multiply
3,436,178.05x = 4,742,007.58 × 1,887,472.17 - Step 4: Simplify right side
3,436,178.05x = 8,950,407,339,538.39 - Step 5: Solve for x
x = 8,950,407,339,538.39/3,436,178.05 - Step 6: Final answer
x = 2,604,756.57
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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.