Finding the Fourth Proportional to 1,974,462.26, 2,961,693.42 and 478,554.26
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Solution
The fourth proportional to 1,974,462.26, 2,961,693.42 and 478,554.26 is: 717,831.40
Step by Step Solution
- Step 1: Write the proportion equation
1,974,462.26 : 2,961,693.42 = 478,554.26 : x - Step 2: Convert to fraction form
1,974,462.26/2,961,693.42 = 478,554.26/x - Step 3: Cross multiply
1,974,462.26x = 2,961,693.42 × 478,554.26 - Step 4: Simplify right side
1,974,462.26x = 1,417,331,002,954.97 - Step 5: Solve for x
x = 1,417,331,002,954.97/1,974,462.26 - Step 6: Final answer
x = 717,831.40
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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.