Finding the Fourth Proportional to 1,689,365.97, 2,534,027.90 and 409,984.13
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Solution
The fourth proportional to 1,689,365.97, 2,534,027.90 and 409,984.13 is: 614,971.09
Step by Step Solution
- Step 1: Write the proportion equation
1,689,365.97 : 2,534,027.90 = 409,984.13 : x - Step 2: Convert to fraction form
1,689,365.97/2,534,027.90 = 409,984.13/x - Step 3: Cross multiply
1,689,365.97x = 2,534,027.90 × 409,984.13 - Step 4: Simplify right side
1,689,365.97x = 1,038,911,228,262.38 - Step 5: Solve for x
x = 1,038,911,228,262.38/1,689,365.97 - Step 6: Final answer
x = 614,971.09
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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.