Finding the Fourth Proportional to 1,706,410.11, 2,559,622.17 and 427,014.09
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Solution
The fourth proportional to 1,706,410.11, 2,559,622.17 and 427,014.09 is: 640,522.89
Step by Step Solution
- Step 1: Write the proportion equation
1,706,410.11 : 2,559,622.17 = 427,014.09 : x - Step 2: Convert to fraction form
1,706,410.11/2,559,622.17 = 427,014.09/x - Step 3: Cross multiply
1,706,410.11x = 2,559,622.17 × 427,014.09 - Step 4: Simplify right side
1,706,410.11x = 1,092,994,731,666.38 - Step 5: Solve for x
x = 1,092,994,731,666.38/1,706,410.11 - Step 6: Final answer
x = 640,522.89
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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.