Finding the Fourth Proportional to 2,291,591.58, 3,161,080.56 and 1,430,657.16
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Solution
The fourth proportional to 2,291,591.58, 3,161,080.56 and 1,430,657.16 is: 1,973,485.40
Step by Step Solution
- Step 1: Write the proportion equation
2,291,591.58 : 3,161,080.56 = 1,430,657.16 : x - Step 2: Convert to fraction form
2,291,591.58/3,161,080.56 = 1,430,657.16/x - Step 3: Cross multiply
2,291,591.58x = 3,161,080.56 × 1,430,657.16 - Step 4: Simplify right side
2,291,591.58x = 4,522,422,536,500.81 - Step 5: Solve for x
x = 4,522,422,536,500.81/2,291,591.58 - Step 6: Final answer
x = 1,973,485.40
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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.