Finding the Fourth Proportional to 2,967,990.80, 4,452,158.52 and 837,896.60
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Solution
The fourth proportional to 2,967,990.80, 4,452,158.52 and 837,896.60 is: 1,256,893.55
Step by Step Solution
- Step 1: Write the proportion equation
2,967,990.80 : 4,452,158.52 = 837,896.60 : x - Step 2: Convert to fraction form
2,967,990.80/4,452,158.52 = 837,896.60/x - Step 3: Cross multiply
2,967,990.80x = 4,452,158.52 × 837,896.60 - Step 4: Simplify right side
2,967,990.80x = 3,730,448,486,569.03 - Step 5: Solve for x
x = 3,730,448,486,569.03/2,967,990.80 - Step 6: Final answer
x = 1,256,893.55
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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.