Finding the Fourth Proportional to 2,877,863.76, 3,971,484.18 and 1,588,704.84
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Solution
The fourth proportional to 2,877,863.76, 3,971,484.18 and 1,588,704.84 is: 2,192,430.45
Step by Step Solution
- Step 1: Write the proportion equation
2,877,863.76 : 3,971,484.18 = 1,588,704.84 : x - Step 2: Convert to fraction form
2,877,863.76/3,971,484.18 = 1,588,704.84/x - Step 3: Cross multiply
2,877,863.76x = 3,971,484.18 × 1,588,704.84 - Step 4: Simplify right side
2,877,863.76x = 6,309,516,138,749.43 - Step 5: Solve for x
x = 6,309,516,138,749.43/2,877,863.76 - Step 6: Final answer
x = 2,192,430.45
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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.