Finding the Fourth Proportional to 2,840,281.71, 3,919,619.92 and 1,551,160.02
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Solution
The fourth proportional to 2,840,281.71, 3,919,619.92 and 1,551,160.02 is: 2,140,617.85
Step by Step Solution
- Step 1: Write the proportion equation
2,840,281.71 : 3,919,619.92 = 1,551,160.02 : x - Step 2: Convert to fraction form
2,840,281.71/3,919,619.92 = 1,551,160.02/x - Step 3: Cross multiply
2,840,281.71x = 3,919,619.92 × 1,551,160.02 - Step 4: Simplify right side
2,840,281.71x = 6,079,957,727,228.70 - Step 5: Solve for x
x = 6,079,957,727,228.70/2,840,281.71 - Step 6: Final answer
x = 2,140,617.85
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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.