Finding the Fourth Proportional to 4,167,974.40, 6,242,630.40 and 2,488,358.40
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Solution
The fourth proportional to 4,167,974.40, 6,242,630.40 and 2,488,358.40 is: 3,726,966.70
Step by Step Solution
- Step 1: Write the proportion equation
4,167,974.40 : 6,242,630.40 = 2,488,358.40 : x - Step 2: Convert to fraction form
4,167,974.40/6,242,630.40 = 2,488,358.40/x - Step 3: Cross multiply
4,167,974.40x = 6,242,630.40 × 2,488,358.40 - Step 4: Simplify right side
4,167,974.40x = 15,533,901,793,935.36 - Step 5: Solve for x
x = 15,533,901,793,935.36/4,167,974.40 - Step 6: Final answer
x = 3,726,966.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.