Finding the Fourth Proportional to 2,079,675.32, 2,869,460.10 and 1,207,992.08
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Solution
The fourth proportional to 2,079,675.32, 2,869,460.10 and 1,207,992.08 is: 1,666,743.38
Step by Step Solution
- Step 1: Write the proportion equation
2,079,675.32 : 2,869,460.10 = 1,207,992.08 : x - Step 2: Convert to fraction form
2,079,675.32/2,869,460.10 = 1,207,992.08/x - Step 3: Cross multiply
2,079,675.32x = 2,869,460.10 × 1,207,992.08 - Step 4: Simplify right side
2,079,675.32x = 3,466,285,074,676.01 - Step 5: Solve for x
x = 3,466,285,074,676.01/2,079,675.32 - Step 6: Final answer
x = 1,666,743.38
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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.