Finding the Fourth Proportional to 1,827,207.12, 2,520,966.15 and 1,063,113.06
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Solution
The fourth proportional to 1,827,207.12, 2,520,966.15 and 1,063,113.06 is: 1,466,758.75
Step by Step Solution
- Step 1: Write the proportion equation
1,827,207.12 : 2,520,966.15 = 1,063,113.06 : x - Step 2: Convert to fraction form
1,827,207.12/2,520,966.15 = 1,063,113.06/x - Step 3: Cross multiply
1,827,207.12x = 2,520,966.15 × 1,063,113.06 - Step 4: Simplify right side
1,827,207.12x = 2,680,072,037,882.92 - Step 5: Solve for x
x = 2,680,072,037,882.92/1,827,207.12 - Step 6: Final answer
x = 1,466,758.75
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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.