Finding the Fourth Proportional to 2,143,395.23, 2,956,539.97 and 1,271,612.73
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Solution
The fourth proportional to 2,143,395.23, 2,956,539.97 and 1,271,612.73 is: 1,754,027.35
Step by Step Solution
- Step 1: Write the proportion equation
2,143,395.23 : 2,956,539.97 = 1,271,612.73 : x - Step 2: Convert to fraction form
2,143,395.23/2,956,539.97 = 1,271,612.73/x - Step 3: Cross multiply
2,143,395.23x = 2,956,539.97 × 1,271,612.73 - Step 4: Simplify right side
2,143,395.23x = 3,759,573,847,823.12 - Step 5: Solve for x
x = 3,759,573,847,823.12/2,143,395.23 - Step 6: Final answer
x = 1,754,027.35
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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.