Finding the Fourth Proportional to 2,877,512.76, 3,970,967.01 and 1,588,352.81
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Solution
The fourth proportional to 2,877,512.76, 3,970,967.01 and 1,588,352.81 is: 2,191,926.55
Step by Step Solution
- Step 1: Write the proportion equation
2,877,512.76 : 3,970,967.01 = 1,588,352.81 : x - Step 2: Convert to fraction form
2,877,512.76/3,970,967.01 = 1,588,352.81/x - Step 3: Cross multiply
2,877,512.76x = 3,970,967.01 × 1,588,352.81 - Step 4: Simplify right side
2,877,512.76x = 6,307,296,608,750.80 - Step 5: Solve for x
x = 6,307,296,608,750.80/2,877,512.76 - Step 6: Final answer
x = 2,191,926.55
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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.