Finding the Fourth Proportional to 4,458,317.87, 6,152,479.55 and 2,715,987.14
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Solution
The fourth proportional to 4,458,317.87, 6,152,479.55 and 2,715,987.14 is: 3,748,062.79
Step by Step Solution
- Step 1: Write the proportion equation
4,458,317.87 : 6,152,479.55 = 2,715,987.14 : x - Step 2: Convert to fraction form
4,458,317.87/6,152,479.55 = 2,715,987.14/x - Step 3: Cross multiply
4,458,317.87x = 6,152,479.55 × 2,715,987.14 - Step 4: Simplify right side
4,458,317.87x = 16,710,055,292,570.65 - Step 5: Solve for x
x = 16,710,055,292,570.65/4,458,317.87 - Step 6: Final answer
x = 3,748,062.79
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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.