Finding the Fourth Proportional to 1,934,010.79, 2,666,163.14 and 1,359,267.19
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Solution
The fourth proportional to 1,934,010.79, 2,666,163.14 and 1,359,267.19 is: 1,873,840.67
Step by Step Solution
- Step 1: Write the proportion equation
1,934,010.79 : 2,666,163.14 = 1,359,267.19 : x - Step 2: Convert to fraction form
1,934,010.79/2,666,163.14 = 1,359,267.19/x - Step 3: Cross multiply
1,934,010.79x = 2,666,163.14 × 1,359,267.19 - Step 4: Simplify right side
1,934,010.79x = 3,624,028,072,593.04 - Step 5: Solve for x
x = 3,624,028,072,593.04/1,934,010.79 - Step 6: Final answer
x = 1,873,840.67
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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.