Finding the Fourth Proportional to 2,237,919.90, 3,356,903.13 and 1,791,478.68
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Solution
The fourth proportional to 2,237,919.90, 3,356,903.13 and 1,791,478.68 is: 2,687,236.66
Step by Step Solution
- Step 1: Write the proportion equation
2,237,919.90 : 3,356,903.13 = 1,791,478.68 : x - Step 2: Convert to fraction form
2,237,919.90/3,356,903.13 = 1,791,478.68/x - Step 3: Cross multiply
2,237,919.90x = 3,356,903.13 × 1,791,478.68 - Step 4: Simplify right side
2,237,919.90x = 6,013,820,388,220.27 - Step 5: Solve for x
x = 6,013,820,388,220.27/2,237,919.90 - Step 6: Final answer
x = 2,687,236.66
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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.