Finding the Fourth Proportional to 1,897,276.44, 2,618,207.10 and 1,037,829.18
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Solution
The fourth proportional to 1,897,276.44, 2,618,207.10 and 1,037,829.18 is: 1,432,185.46
Step by Step Solution
- Step 1: Write the proportion equation
1,897,276.44 : 2,618,207.10 = 1,037,829.18 : x - Step 2: Convert to fraction form
1,897,276.44/2,618,207.10 = 1,037,829.18/x - Step 3: Cross multiply
1,897,276.44x = 2,618,207.10 × 1,037,829.18 - Step 4: Simplify right side
1,897,276.44x = 2,717,251,727,663.18 - Step 5: Solve for x
x = 2,717,251,727,663.18/1,897,276.44 - Step 6: Final answer
x = 1,432,185.46
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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.