Finding the Fourth Proportional to 2,001,079.08, 2,760,941.70 and 1,286,101.80
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Solution
The fourth proportional to 2,001,079.08, 2,760,941.70 and 1,286,101.80 is: 1,774,468.65
Step by Step Solution
- Step 1: Write the proportion equation
2,001,079.08 : 2,760,941.70 = 1,286,101.80 : x - Step 2: Convert to fraction form
2,001,079.08/2,760,941.70 = 1,286,101.80/x - Step 3: Cross multiply
2,001,079.08x = 2,760,941.70 × 1,286,101.80 - Step 4: Simplify right side
2,001,079.08x = 3,550,852,090,065.06 - Step 5: Solve for x
x = 3,550,852,090,065.06/2,001,079.08 - Step 6: Final answer
x = 1,774,468.65
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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.