Finding the Fourth Proportional to 2,881,155.36, 3,975,936.66 and 1,591,962.60
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Solution
The fourth proportional to 2,881,155.36, 3,975,936.66 and 1,591,962.60 is: 2,196,876.49
Step by Step Solution
- Step 1: Write the proportion equation
2,881,155.36 : 3,975,936.66 = 1,591,962.60 : x - Step 2: Convert to fraction form
2,881,155.36/3,975,936.66 = 1,591,962.60/x - Step 3: Cross multiply
2,881,155.36x = 3,975,936.66 × 1,591,962.60 - Step 4: Simplify right side
2,881,155.36x = 6,329,542,462,688.92 - Step 5: Solve for x
x = 6,329,542,462,688.92/2,881,155.36 - Step 6: Final answer
x = 2,196,876.49
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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.