Finding the Fourth Proportional to 2,814,408.21, 3,884,300.19 and 1,782,011.96
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Solution
The fourth proportional to 2,814,408.21, 3,884,300.19 and 1,782,011.96 is: 2,459,440.45
Step by Step Solution
- Step 1: Write the proportion equation
2,814,408.21 : 3,884,300.19 = 1,782,011.96 : x - Step 2: Convert to fraction form
2,814,408.21/3,884,300.19 = 1,782,011.96/x - Step 3: Cross multiply
2,814,408.21x = 3,884,300.19 × 1,782,011.96 - Step 4: Simplify right side
2,814,408.21x = 6,921,869,394,810.27 - Step 5: Solve for x
x = 6,921,869,394,810.27/2,814,408.21 - Step 6: Final answer
x = 2,459,440.45
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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.