Finding the Fourth Proportional to 2,115,974.10, 3,173,547.84 and 676,271.31
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Solution
The fourth proportional to 2,115,974.10, 3,173,547.84 and 676,271.31 is: 1,014,274.87
Step by Step Solution
- Step 1: Write the proportion equation
2,115,974.10 : 3,173,547.84 = 676,271.31 : x - Step 2: Convert to fraction form
2,115,974.10/3,173,547.84 = 676,271.31/x - Step 3: Cross multiply
2,115,974.10x = 3,173,547.84 × 676,271.31 - Step 4: Simplify right side
2,115,974.10x = 2,146,179,348,861.28 - Step 5: Solve for x
x = 2,146,179,348,861.28/2,115,974.10 - Step 6: Final answer
x = 1,014,274.87
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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.