Finding the Fourth Proportional to 2,037,343.05, 2,810,920.30 and 1,221,248.96
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Solution
The fourth proportional to 2,037,343.05, 2,810,920.30 and 1,221,248.96 is: 1,684,956.05
Step by Step Solution
- Step 1: Write the proportion equation
2,037,343.05 : 2,810,920.30 = 1,221,248.96 : x - Step 2: Convert to fraction form
2,037,343.05/2,810,920.30 = 1,221,248.96/x - Step 3: Cross multiply
2,037,343.05x = 2,810,920.30 × 1,221,248.96 - Step 4: Simplify right side
2,037,343.05x = 3,432,833,486,911.64 - Step 5: Solve for x
x = 3,432,833,486,911.64/2,037,343.05 - Step 6: Final answer
x = 1,684,956.05
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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.