Finding the Fourth Proportional to 2,594,457.20, 3,580,357.88 and 1,448,578.55
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Solution
The fourth proportional to 2,594,457.20, 3,580,357.88 and 1,448,578.55 is: 1,999,042.28
Step by Step Solution
- Step 1: Write the proportion equation
2,594,457.20 : 3,580,357.88 = 1,448,578.55 : x - Step 2: Convert to fraction form
2,594,457.20/3,580,357.88 = 1,448,578.55/x - Step 3: Cross multiply
2,594,457.20x = 3,580,357.88 × 1,448,578.55 - Step 4: Simplify right side
2,594,457.20x = 5,186,429,626,291.47 - Step 5: Solve for x
x = 5,186,429,626,291.47/2,594,457.20 - Step 6: Final answer
x = 1,999,042.28
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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.