Finding the Fourth Proportional to 1,393,686.90, 2,091,221.55 and 795,107.70
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Solution
The fourth proportional to 1,393,686.90, 2,091,221.55 and 795,107.70 is: 1,193,055.88
Step by Step Solution
- Step 1: Write the proportion equation
1,393,686.90 : 2,091,221.55 = 795,107.70 : x - Step 2: Convert to fraction form
1,393,686.90/2,091,221.55 = 795,107.70/x - Step 3: Cross multiply
1,393,686.90x = 2,091,221.55 × 795,107.70 - Step 4: Simplify right side
1,393,686.90x = 1,662,746,356,810.94 - Step 5: Solve for x
x = 1,662,746,356,810.94/1,393,686.90 - Step 6: Final answer
x = 1,193,055.88
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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.