Finding the Fourth Proportional to 1,510,072.44, 2,083,430.76 and 856,590.84
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Solution
The fourth proportional to 1,510,072.44, 2,083,430.76 and 856,590.84 is: 1,181,829.20
Step by Step Solution
- Step 1: Write the proportion equation
1,510,072.44 : 2,083,430.76 = 856,590.84 : x - Step 2: Convert to fraction form
1,510,072.44/2,083,430.76 = 856,590.84/x - Step 3: Cross multiply
1,510,072.44x = 2,083,430.76 × 856,590.84 - Step 4: Simplify right side
1,510,072.44x = 1,784,647,704,790.24 - Step 5: Solve for x
x = 1,784,647,704,790.24/1,510,072.44 - Step 6: Final answer
x = 1,181,829.20
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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.