Finding the Fourth Proportional to 6,389,669.12, 9,581,854.08 and 2,600,579.84
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Solution
The fourth proportional to 6,389,669.12, 9,581,854.08 and 2,600,579.84 is: 3,899,791.38
Step by Step Solution
- Step 1: Write the proportion equation
6,389,669.12 : 9,581,854.08 = 2,600,579.84 : x - Step 2: Convert to fraction form
6,389,669.12/9,581,854.08 = 2,600,579.84/x - Step 3: Cross multiply
6,389,669.12x = 9,581,854.08 × 2,600,579.84 - Step 4: Simplify right side
6,389,669.12x = 24,918,376,550,269.75 - Step 5: Solve for x
x = 24,918,376,550,269.75/6,389,669.12 - Step 6: Final answer
x = 3,899,791.38
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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.