Finding the Fourth Proportional to 1,670,889.60, 2,305,765.80 and 906,926.88
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Solution
The fourth proportional to 1,670,889.60, 2,305,765.80 and 906,926.88 is: 1,251,525.52
Step by Step Solution
- Step 1: Write the proportion equation
1,670,889.60 : 2,305,765.80 = 906,926.88 : x - Step 2: Convert to fraction form
1,670,889.60/2,305,765.80 = 906,926.88/x - Step 3: Cross multiply
1,670,889.60x = 2,305,765.80 × 906,926.88 - Step 4: Simplify right side
1,670,889.60x = 2,091,160,983,004.70 - Step 5: Solve for x
x = 2,091,160,983,004.70/1,670,889.60 - Step 6: Final answer
x = 1,251,525.52
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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.