Finding the Fourth Proportional to 1,775,203.36, 2,449,591.68 and 1,050,078.40
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Solution
The fourth proportional to 1,775,203.36, 2,449,591.68 and 1,050,078.40 is: 1,448,996.42
Step by Step Solution
- Step 1: Write the proportion equation
1,775,203.36 : 2,449,591.68 = 1,050,078.40 : x - Step 2: Convert to fraction form
1,775,203.36/2,449,591.68 = 1,050,078.40/x - Step 3: Cross multiply
1,775,203.36x = 2,449,591.68 × 1,050,078.40 - Step 4: Simplify right side
1,775,203.36x = 2,572,263,311,987.71 - Step 5: Solve for x
x = 2,572,263,311,987.71/1,775,203.36 - Step 6: Final answer
x = 1,448,996.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.