Finding the Fourth Proportional to 2,378,347.24, 3,282,128.12 and 1,290,619.04
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Solution
The fourth proportional to 2,378,347.24, 3,282,128.12 and 1,290,619.04 is: 1,781,059.12
Step by Step Solution
- Step 1: Write the proportion equation
2,378,347.24 : 3,282,128.12 = 1,290,619.04 : x - Step 2: Convert to fraction form
2,378,347.24/3,282,128.12 = 1,290,619.04/x - Step 3: Cross multiply
2,378,347.24x = 3,282,128.12 × 1,290,619.04 - Step 4: Simplify right side
2,378,347.24x = 4,235,977,043,391.41 - Step 5: Solve for x
x = 4,235,977,043,391.41/2,378,347.24 - Step 6: Final answer
x = 1,781,059.12
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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.