Finding the Fourth Proportional to 4,789,515.39, 6,609,437.55 and 2,614,074.14
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Solution
The fourth proportional to 4,789,515.39, 6,609,437.55 and 2,614,074.14 is: 3,607,371.17
Step by Step Solution
- Step 1: Write the proportion equation
4,789,515.39 : 6,609,437.55 = 2,614,074.14 : x - Step 2: Convert to fraction form
4,789,515.39/6,609,437.55 = 2,614,074.14/x - Step 3: Cross multiply
4,789,515.39x = 6,609,437.55 × 2,614,074.14 - Step 4: Simplify right side
4,789,515.39x = 17,277,559,746,352.77 - Step 5: Solve for x
x = 17,277,559,746,352.77/4,789,515.39 - Step 6: Final answer
x = 3,607,371.17
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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.