Finding the Fourth Proportional to 2,118,290.60, 3,177,408.26 and 520,867.53
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Solution
The fourth proportional to 2,118,290.60, 3,177,408.26 and 520,867.53 is: 781,294.50
Step by Step Solution
- Step 1: Write the proportion equation
2,118,290.60 : 3,177,408.26 = 520,867.53 : x - Step 2: Convert to fraction form
2,118,290.60/3,177,408.26 = 520,867.53/x - Step 3: Cross multiply
2,118,290.60x = 3,177,408.26 × 520,867.53 - Step 4: Simplify right side
2,118,290.60x = 1,655,008,793,489.97 - Step 5: Solve for x
x = 1,655,008,793,489.97/2,118,290.60 - Step 6: Final answer
x = 781,294.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.