Finding the Fourth Proportional to 2,248,165.62, 3,102,391.68 and 1,281,607.20
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Solution
The fourth proportional to 2,248,165.62, 3,102,391.68 and 1,281,607.20 is: 1,768,574.11
Step by Step Solution
- Step 1: Write the proportion equation
2,248,165.62 : 3,102,391.68 = 1,281,607.20 : x - Step 2: Convert to fraction form
2,248,165.62/3,102,391.68 = 1,281,607.20/x - Step 3: Cross multiply
2,248,165.62x = 3,102,391.68 × 1,281,607.20 - Step 4: Simplify right side
2,248,165.62x = 3,976,047,514,308.10 - Step 5: Solve for x
x = 3,976,047,514,308.10/2,248,165.62 - Step 6: Final answer
x = 1,768,574.11
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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.