Finding the Fourth Proportional to 2,877,578.37, 3,971,044.35 and 1,588,407.48
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Solution
The fourth proportional to 2,877,578.37, 3,971,044.35 and 1,588,407.48 is: 2,191,994.70
Step by Step Solution
- Step 1: Write the proportion equation
2,877,578.37 : 3,971,044.35 = 1,588,407.48 : x - Step 2: Convert to fraction form
2,877,578.37/3,971,044.35 = 1,588,407.48/x - Step 3: Cross multiply
2,877,578.37x = 3,971,044.35 × 1,588,407.48 - Step 4: Simplify right side
2,877,578.37x = 6,307,636,548,951.74 - Step 5: Solve for x
x = 6,307,636,548,951.74/2,877,578.37 - Step 6: Final answer
x = 2,191,994.70
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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.