Finding the Fourth Proportional to 2,657,685.24, 3,987,109.20 and 860,750.28
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Solution
The fourth proportional to 2,657,685.24, 3,987,109.20 and 860,750.28 is: 1,291,313.70
Step by Step Solution
- Step 1: Write the proportion equation
2,657,685.24 : 3,987,109.20 = 860,750.28 : x - Step 2: Convert to fraction form
2,657,685.24/3,987,109.20 = 860,750.28/x - Step 3: Cross multiply
2,657,685.24x = 3,987,109.20 × 860,750.28 - Step 4: Simplify right side
2,657,685.24x = 3,431,905,360,290.58 - Step 5: Solve for x
x = 3,431,905,360,290.58/2,657,685.24 - Step 6: Final answer
x = 1,291,313.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.