Finding the Fourth Proportional to 1,771,878.29, 2,656,636.45 and 860,817.83
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Solution
The fourth proportional to 1,771,878.29, 2,656,636.45 and 860,817.83 is: 1,290,652.99
Step by Step Solution
- Step 1: Write the proportion equation
1,771,878.29 : 2,656,636.45 = 860,817.83 : x - Step 2: Convert to fraction form
1,771,878.29/2,656,636.45 = 860,817.83/x - Step 3: Cross multiply
1,771,878.29x = 2,656,636.45 × 860,817.83 - Step 4: Simplify right side
1,771,878.29x = 2,286,880,008,552.68 - Step 5: Solve for x
x = 2,286,880,008,552.68/1,771,878.29 - Step 6: Final answer
x = 1,290,652.99
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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.