Finding the Fourth Proportional to 2,128,259.60, 3,193,944.60 and 1,498,403.60
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Solution
The fourth proportional to 2,128,259.60, 3,193,944.60 and 1,498,403.60 is: 2,248,700.34
Step by Step Solution
- Step 1: Write the proportion equation
2,128,259.60 : 3,193,944.60 = 1,498,403.60 : x - Step 2: Convert to fraction form
2,128,259.60/3,193,944.60 = 1,498,403.60/x - Step 3: Cross multiply
2,128,259.60x = 3,193,944.60 × 1,498,403.60 - Step 4: Simplify right side
2,128,259.60x = 4,785,818,086,840.56 - Step 5: Solve for x
x = 4,785,818,086,840.56/2,128,259.60 - Step 6: Final answer
x = 2,248,700.34
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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.