Finding the Fourth Proportional to 2,180,801.05, 3,009,455.47 and 1,365,454.24
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Solution
The fourth proportional to 2,180,801.05, 3,009,455.47 and 1,365,454.24 is: 1,884,295.56
Step by Step Solution
- Step 1: Write the proportion equation
2,180,801.05 : 3,009,455.47 = 1,365,454.24 : x - Step 2: Convert to fraction form
2,180,801.05/3,009,455.47 = 1,365,454.24/x - Step 3: Cross multiply
2,180,801.05x = 3,009,455.47 × 1,365,454.24 - Step 4: Simplify right side
2,180,801.05x = 4,109,273,728,189.06 - Step 5: Solve for x
x = 4,109,273,728,189.06/2,180,801.05 - Step 6: Final answer
x = 1,884,295.56
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1.5x scale
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.