Finding the Fourth Proportional to 2,296,862.64, 3,169,639.52 and 1,278,267.12
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Solution
The fourth proportional to 2,296,862.64, 3,169,639.52 and 1,278,267.12 is: 1,763,991.42
Step by Step Solution
- Step 1: Write the proportion equation
2,296,862.64 : 3,169,639.52 = 1,278,267.12 : x - Step 2: Convert to fraction form
2,296,862.64/3,169,639.52 = 1,278,267.12/x - Step 3: Cross multiply
2,296,862.64x = 3,169,639.52 × 1,278,267.12 - Step 4: Simplify right side
2,296,862.64x = 4,051,645,980,668.58 - Step 5: Solve for x
x = 4,051,645,980,668.58/2,296,862.64 - Step 6: Final answer
x = 1,763,991.42
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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.