Finding the Fourth Proportional to 1,645,110.40, 2,467,924.80 and 523,292.80
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Solution
The fourth proportional to 1,645,110.40, 2,467,924.80 and 523,292.80 is: 785,021.65
Step by Step Solution
- Step 1: Write the proportion equation
1,645,110.40 : 2,467,924.80 = 523,292.80 : x - Step 2: Convert to fraction form
1,645,110.40/2,467,924.80 = 523,292.80/x - Step 3: Cross multiply
1,645,110.40x = 2,467,924.80 × 523,292.80 - Step 4: Simplify right side
1,645,110.40x = 1,291,447,278,781.44 - Step 5: Solve for x
x = 1,291,447,278,781.44/1,645,110.40 - Step 6: Final answer
x = 785,021.65
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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.