Finding the Fourth Proportional to 1,677,701.10, 2,511,302.85 and 1,320,782.70
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Solution
The fourth proportional to 1,677,701.10, 2,511,302.85 and 1,320,782.70 is: 1,977,041.89
Step by Step Solution
- Step 1: Write the proportion equation
1,677,701.10 : 2,511,302.85 = 1,320,782.70 : x - Step 2: Convert to fraction form
1,677,701.10/2,511,302.85 = 1,320,782.70/x - Step 3: Cross multiply
1,677,701.10x = 2,511,302.85 × 1,320,782.70 - Step 4: Simplify right side
1,677,701.10x = 3,316,885,358,740.70 - Step 5: Solve for x
x = 3,316,885,358,740.70/1,677,701.10 - Step 6: Final answer
x = 1,977,041.89
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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.