Finding the Fourth Proportional to 2,748,246.60, 4,120,438.41 and 1,210,512.27
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Solution
The fourth proportional to 2,748,246.60, 4,120,438.41 and 1,210,512.27 is: 1,814,917.65
Step by Step Solution
- Step 1: Write the proportion equation
2,748,246.60 : 4,120,438.41 = 1,210,512.27 : x - Step 2: Convert to fraction form
2,748,246.60/4,120,438.41 = 1,210,512.27/x - Step 3: Cross multiply
2,748,246.60x = 4,120,438.41 × 1,210,512.27 - Step 4: Simplify right side
2,748,246.60x = 4,987,841,253,084.29 - Step 5: Solve for x
x = 4,987,841,253,084.29/2,748,246.60 - Step 6: Final answer
x = 1,814,917.65
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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.