Finding the Fourth Proportional to 2,439,630.28, 3,368,370.18 and 1,865,670.76
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Solution
The fourth proportional to 2,439,630.28, 3,368,370.18 and 1,865,670.76 is: 2,575,910.70
Step by Step Solution
- Step 1: Write the proportion equation
2,439,630.28 : 3,368,370.18 = 1,865,670.76 : x - Step 2: Convert to fraction form
2,439,630.28/3,368,370.18 = 1,865,670.76/x - Step 3: Cross multiply
2,439,630.28x = 3,368,370.18 × 1,865,670.76 - Step 4: Simplify right side
2,439,630.28x = 6,284,269,753,681.94 - Step 5: Solve for x
x = 6,284,269,753,681.94/2,439,630.28 - Step 6: Final answer
x = 2,575,910.70
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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.