Finding the Fourth Proportional to 4,292,969.80, 6,442,407.12 and 1,768,625.05
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Solution
The fourth proportional to 4,292,969.80, 6,442,407.12 and 1,768,625.05 is: 2,654,153.92
Step by Step Solution
- Step 1: Write the proportion equation
4,292,969.80 : 6,442,407.12 = 1,768,625.05 : x - Step 2: Convert to fraction form
4,292,969.80/6,442,407.12 = 1,768,625.05/x - Step 3: Cross multiply
4,292,969.80x = 6,442,407.12 × 1,768,625.05 - Step 4: Simplify right side
4,292,969.80x = 11,394,202,614,730.36 - Step 5: Solve for x
x = 11,394,202,614,730.36/4,292,969.80 - Step 6: Final answer
x = 2,654,153.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.