Finding the Fourth Proportional to 2,153,355.53, 2,972,203.67 and 1,271,080.44
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Solution
The fourth proportional to 2,153,355.53, 2,972,203.67 and 1,271,080.44 is: 1,754,429.26
Step by Step Solution
- Step 1: Write the proportion equation
2,153,355.53 : 2,972,203.67 = 1,271,080.44 : x - Step 2: Convert to fraction form
2,153,355.53/2,972,203.67 = 1,271,080.44/x - Step 3: Cross multiply
2,153,355.53x = 2,972,203.67 × 1,271,080.44 - Step 4: Simplify right side
2,153,355.53x = 3,777,909,942,277.81 - Step 5: Solve for x
x = 3,777,909,942,277.81/2,153,355.53 - Step 6: Final answer
x = 1,754,429.26
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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.