Finding the Fourth Proportional to 1,896,640.44, 2,617,363.71 and 1,037,201.28
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Solution
The fourth proportional to 1,896,640.44, 2,617,363.71 and 1,037,201.28 is: 1,431,337.71
Step by Step Solution
- Step 1: Write the proportion equation
1,896,640.44 : 2,617,363.71 = 1,037,201.28 : x - Step 2: Convert to fraction form
1,896,640.44/2,617,363.71 = 1,037,201.28/x - Step 3: Cross multiply
1,896,640.44x = 2,617,363.71 × 1,037,201.28 - Step 4: Simplify right side
1,896,640.44x = 2,714,732,990,237.55 - Step 5: Solve for x
x = 2,714,732,990,237.55/1,896,640.44 - Step 6: Final answer
x = 1,431,337.71
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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.