Finding the Fourth Proportional to 1,977,302.96, 2,728,641.96 and 1,117,863.48
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Solution
The fourth proportional to 1,977,302.96, 2,728,641.96 and 1,117,863.48 is: 1,542,631.18
Step by Step Solution
- Step 1: Write the proportion equation
1,977,302.96 : 2,728,641.96 = 1,117,863.48 : x - Step 2: Convert to fraction form
1,977,302.96/2,728,641.96 = 1,117,863.48/x - Step 3: Cross multiply
1,977,302.96x = 2,728,641.96 × 1,117,863.48 - Step 4: Simplify right side
1,977,302.96x = 3,050,249,197,079.62 - Step 5: Solve for x
x = 3,050,249,197,079.62/1,977,302.96 - Step 6: Final answer
x = 1,542,631.18
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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.