Finding the Fourth Proportional to 1,977,314.96, 2,728,588.65 and 1,117,823.96
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Solution
The fourth proportional to 1,977,314.96, 2,728,588.65 and 1,117,823.96 is: 1,542,537.14
Step by Step Solution
- Step 1: Write the proportion equation
1,977,314.96 : 2,728,588.65 = 1,117,823.96 : x - Step 2: Convert to fraction form
1,977,314.96/2,728,588.65 = 1,117,823.96/x - Step 3: Cross multiply
1,977,314.96x = 2,728,588.65 × 1,117,823.96 - Step 4: Simplify right side
1,977,314.96x = 3,050,081,756,311.11 - Step 5: Solve for x
x = 3,050,081,756,311.11/1,977,314.96 - Step 6: Final answer
x = 1,542,537.14
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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.