Finding the Fourth Proportional to 2,877,133.14, 3,970,161.06 and 1,587,890.26
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Solution
The fourth proportional to 2,877,133.14, 3,970,161.06 and 1,587,890.26 is: 2,191,132.55
Step by Step Solution
- Step 1: Write the proportion equation
2,877,133.14 : 3,970,161.06 = 1,587,890.26 : x - Step 2: Convert to fraction form
2,877,133.14/3,970,161.06 = 1,587,890.26/x - Step 3: Cross multiply
2,877,133.14x = 3,970,161.06 × 1,587,890.26 - Step 4: Simplify right side
2,877,133.14x = 6,304,180,077,805.28 - Step 5: Solve for x
x = 6,304,180,077,805.28/2,877,133.14 - Step 6: Final answer
x = 2,191,132.55
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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.