Finding the Fourth Proportional to 2,099,402.19, 3,149,602.97 and 679,458.26
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Solution
The fourth proportional to 2,099,402.19, 3,149,602.97 and 679,458.26 is: 1,019,349.11
Step by Step Solution
- Step 1: Write the proportion equation
2,099,402.19 : 3,149,602.97 = 679,458.26 : x - Step 2: Convert to fraction form
2,099,402.19/3,149,602.97 = 679,458.26/x - Step 3: Cross multiply
2,099,402.19x = 3,149,602.97 × 679,458.26 - Step 4: Simplify right side
2,099,402.19x = 2,140,023,753,687.03 - Step 5: Solve for x
x = 2,140,023,753,687.03/2,099,402.19 - Step 6: Final answer
x = 1,019,349.11
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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.