Finding the Fourth Proportional to 2,911,499.08, 4,351,864.49 and 2,529,386.44
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Solution
The fourth proportional to 2,911,499.08, 4,351,864.49 and 2,529,386.44 is: 3,780,714.58
Step by Step Solution
- Step 1: Write the proportion equation
2,911,499.08 : 4,351,864.49 = 2,529,386.44 : x - Step 2: Convert to fraction form
2,911,499.08/4,351,864.49 = 2,529,386.44/x - Step 3: Cross multiply
2,911,499.08x = 4,351,864.49 × 2,529,386.44 - Step 4: Simplify right side
2,911,499.08x = 11,007,547,029,723.52 - Step 5: Solve for x
x = 11,007,547,029,723.52/2,911,499.08 - Step 6: Final answer
x = 3,780,714.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.