Finding the Fourth Proportional to 1,436,288.49, 2,153,698.47 and 476,397.63
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Solution
The fourth proportional to 1,436,288.49, 2,153,698.47 and 476,397.63 is: 714,352.90
Step by Step Solution
- Step 1: Write the proportion equation
1,436,288.49 : 2,153,698.47 = 476,397.63 : x - Step 2: Convert to fraction form
1,436,288.49/2,153,698.47 = 476,397.63/x - Step 3: Cross multiply
1,436,288.49x = 2,153,698.47 × 476,397.63 - Step 4: Simplify right side
1,436,288.49x = 1,026,016,846,842.63 - Step 5: Solve for x
x = 1,026,016,846,842.63/1,436,288.49 - Step 6: Final answer
x = 714,352.90
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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.