Finding the Fourth Proportional to 2,877,131.14, 3,970,158.30 and 1,587,888.26
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Solution
The fourth proportional to 2,877,131.14, 3,970,158.30 and 1,587,888.26 is: 2,191,129.79
Step by Step Solution
- Step 1: Write the proportion equation
2,877,131.14 : 3,970,158.30 = 1,587,888.26 : x - Step 2: Convert to fraction form
2,877,131.14/3,970,158.30 = 1,587,888.26/x - Step 3: Cross multiply
2,877,131.14x = 3,970,158.30 × 1,587,888.26 - Step 4: Simplify right side
2,877,131.14x = 6,304,167,749,948.86 - Step 5: Solve for x
x = 6,304,167,749,948.86/2,877,131.14 - Step 6: Final answer
x = 2,191,129.79
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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.