Finding the Fourth Proportional to 1,580,335.88, 2,180,869.26 and 855,183.53
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Solution
The fourth proportional to 1,580,335.88, 2,180,869.26 and 855,183.53 is: 1,180,156.37
Step by Step Solution
- Step 1: Write the proportion equation
1,580,335.88 : 2,180,869.26 = 855,183.53 : x - Step 2: Convert to fraction form
1,580,335.88/2,180,869.26 = 855,183.53/x - Step 3: Cross multiply
1,580,335.88x = 2,180,869.26 × 855,183.53 - Step 4: Simplify right side
1,580,335.88x = 1,865,043,457,055.02 - Step 5: Solve for x
x = 1,865,043,457,055.02/1,580,335.88 - Step 6: Final answer
x = 1,180,156.37
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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.