Finding the Fourth Proportional to 2,056,713.22, 2,838,228.69 and 1,138,924.18
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Solution
The fourth proportional to 2,056,713.22, 2,838,228.69 and 1,138,924.18 is: 1,571,695.68
Step by Step Solution
- Step 1: Write the proportion equation
2,056,713.22 : 2,838,228.69 = 1,138,924.18 : x - Step 2: Convert to fraction form
2,056,713.22/2,838,228.69 = 1,138,924.18/x - Step 3: Cross multiply
2,056,713.22x = 2,838,228.69 × 1,138,924.18 - Step 4: Simplify right side
2,056,713.22x = 3,232,527,283,410.72 - Step 5: Solve for x
x = 3,232,527,283,410.72/2,056,713.22 - Step 6: Final answer
x = 1,571,695.68
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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.