Finding the Fourth Proportional to 3,818,876.14, 5,727,089.02 and 1,259,515.70
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Solution
The fourth proportional to 3,818,876.14, 5,727,089.02 and 1,259,515.70 is: 1,888,869.47
Step by Step Solution
- Step 1: Write the proportion equation
3,818,876.14 : 5,727,089.02 = 1,259,515.70 : x - Step 2: Convert to fraction form
3,818,876.14/5,727,089.02 = 1,259,515.70/x - Step 3: Cross multiply
3,818,876.14x = 5,727,089.02 × 1,259,515.70 - Step 4: Simplify right side
3,818,876.14x = 7,213,358,535,987.61 - Step 5: Solve for x
x = 7,213,358,535,987.61/3,818,876.14 - Step 6: Final answer
x = 1,888,869.47
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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.