Finding the Fourth Proportional to 1,692,998.84, 2,539,491.43 and 613,258.69
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Solution
The fourth proportional to 1,692,998.84, 2,539,491.43 and 613,258.69 is: 919,885.56
Step by Step Solution
- Step 1: Write the proportion equation
1,692,998.84 : 2,539,491.43 = 613,258.69 : x - Step 2: Convert to fraction form
1,692,998.84/2,539,491.43 = 613,258.69/x - Step 3: Cross multiply
1,692,998.84x = 2,539,491.43 × 613,258.69 - Step 4: Simplify right side
1,692,998.84x = 1,557,365,187,628.03 - Step 5: Solve for x
x = 1,557,365,187,628.03/1,692,998.84 - Step 6: Final answer
x = 919,885.56
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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.