Finding the Fourth Proportional to 2,877,920.68, 3,971,536.42 and 1,588,762.84
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Solution
The fourth proportional to 2,877,920.68, 3,971,536.42 and 1,588,762.84 is: 2,192,495.97
Step by Step Solution
- Step 1: Write the proportion equation
2,877,920.68 : 3,971,536.42 = 1,588,762.84 : x - Step 2: Convert to fraction form
2,877,920.68/3,971,536.42 = 1,588,762.84/x - Step 3: Cross multiply
2,877,920.68x = 3,971,536.42 × 1,588,762.84 - Step 4: Simplify right side
2,877,920.68x = 6,309,829,481,802.63 - Step 5: Solve for x
x = 6,309,829,481,802.63/2,877,920.68 - Step 6: Final answer
x = 2,192,495.97
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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.