Finding the Fourth Proportional to 2,273,154.12, 3,137,358.78 and 1,355,442.12
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Solution
The fourth proportional to 2,273,154.12, 3,137,358.78 and 1,355,442.12 is: 1,870,752.27
Step by Step Solution
- Step 1: Write the proportion equation
2,273,154.12 : 3,137,358.78 = 1,355,442.12 : x - Step 2: Convert to fraction form
2,273,154.12/3,137,358.78 = 1,355,442.12/x - Step 3: Cross multiply
2,273,154.12x = 3,137,358.78 × 1,355,442.12 - Step 4: Simplify right side
2,273,154.12x = 4,252,508,235,963.81 - Step 5: Solve for x
x = 4,252,508,235,963.81/2,273,154.12 - Step 6: Final answer
x = 1,870,752.27
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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.