Finding the Fourth Proportional to 5,486,595.35, 8,229,869.51 and 1,387,955.24
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Solution
The fourth proportional to 5,486,595.35, 8,229,869.51 and 1,387,955.24 is: 2,081,926.91
Step by Step Solution
- Step 1: Write the proportion equation
5,486,595.35 : 8,229,869.51 = 1,387,955.24 : x - Step 2: Convert to fraction form
5,486,595.35/8,229,869.51 = 1,387,955.24/x - Step 3: Cross multiply
5,486,595.35x = 8,229,869.51 × 1,387,955.24 - Step 4: Simplify right side
5,486,595.35x = 11,422,690,510,920.73 - Step 5: Solve for x
x = 11,422,690,510,920.73/5,486,595.35 - Step 6: Final answer
x = 2,081,926.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.