Finding the Fourth Proportional to 4,900,685.36, 6,761,954.76 and 2,863,101.20
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Solution
The fourth proportional to 4,900,685.36, 6,761,954.76 and 2,863,101.20 is: 3,950,500.67
Step by Step Solution
- Step 1: Write the proportion equation
4,900,685.36 : 6,761,954.76 = 2,863,101.20 : x - Step 2: Convert to fraction form
4,900,685.36/6,761,954.76 = 2,863,101.20/x - Step 3: Cross multiply
4,900,685.36x = 6,761,954.76 × 2,863,101.20 - Step 4: Simplify right side
4,900,685.36x = 19,360,160,787,701.71 - Step 5: Solve for x
x = 19,360,160,787,701.71/4,900,685.36 - Step 6: Final answer
x = 3,950,500.67
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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.