Finding the Fourth Proportional to 1,476,790.11, 2,038,155.75 and 865,176.21
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Solution
The fourth proportional to 1,476,790.11, 2,038,155.75 and 865,176.21 is: 1,194,051.79
Step by Step Solution
- Step 1: Write the proportion equation
1,476,790.11 : 2,038,155.75 = 865,176.21 : x - Step 2: Convert to fraction form
1,476,790.11/2,038,155.75 = 865,176.21/x - Step 3: Cross multiply
1,476,790.11x = 2,038,155.75 × 865,176.21 - Step 4: Simplify right side
1,476,790.11x = 1,763,363,867,174.71 - Step 5: Solve for x
x = 1,763,363,867,174.71/1,476,790.11 - Step 6: Final answer
x = 1,194,051.79
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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.