Finding the Fourth Proportional to 2,687,134.40, 3,703,923.40 and 1,815,696.91
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Solution
The fourth proportional to 2,687,134.40, 3,703,923.40 and 1,815,696.91 is: 2,502,741.31
Step by Step Solution
- Step 1: Write the proportion equation
2,687,134.40 : 3,703,923.40 = 1,815,696.91 : x - Step 2: Convert to fraction form
2,687,134.40/3,703,923.40 = 1,815,696.91/x - Step 3: Cross multiply
2,687,134.40x = 3,703,923.40 × 1,815,696.91 - Step 4: Simplify right side
2,687,134.40x = 6,725,202,275,751.79 - Step 5: Solve for x
x = 6,725,202,275,751.79/2,687,134.40 - Step 6: Final answer
x = 2,502,741.31
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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.