Finding the Fourth Proportional to 1,868,159.40, 2,801,850.30 and 519,973.80
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Solution
The fourth proportional to 1,868,159.40, 2,801,850.30 and 519,973.80 is: 779,852.48
Step by Step Solution
- Step 1: Write the proportion equation
1,868,159.40 : 2,801,850.30 = 519,973.80 : x - Step 2: Convert to fraction form
1,868,159.40/2,801,850.30 = 519,973.80/x - Step 3: Cross multiply
1,868,159.40x = 2,801,850.30 × 519,973.80 - Step 4: Simplify right side
1,868,159.40x = 1,456,888,747,522.14 - Step 5: Solve for x
x = 1,456,888,747,522.14/1,868,159.40 - Step 6: Final answer
x = 779,852.48
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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.