Finding the Fourth Proportional to 1,934,434.20, 2,666,705.66 and 1,351,848.61
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Solution
The fourth proportional to 1,934,434.20, 2,666,705.66 and 1,351,848.61 is: 1,863,584.88
Step by Step Solution
- Step 1: Write the proportion equation
1,934,434.20 : 2,666,705.66 = 1,351,848.61 : x - Step 2: Convert to fraction form
1,934,434.20/2,666,705.66 = 1,351,848.61/x - Step 3: Cross multiply
1,934,434.20x = 2,666,705.66 × 1,351,848.61 - Step 4: Simplify right side
1,934,434.20x = 3,604,982,326,393.49 - Step 5: Solve for x
x = 3,604,982,326,393.49/1,934,434.20 - Step 6: Final answer
x = 1,863,584.88
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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.