Finding the Fourth Proportional to 1,972,452.86, 2,958,763.53 and 774,634.79
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Solution
The fourth proportional to 1,972,452.86, 2,958,763.53 and 774,634.79 is: 1,161,985.27
Step by Step Solution
- Step 1: Write the proportion equation
1,972,452.86 : 2,958,763.53 = 774,634.79 : x - Step 2: Convert to fraction form
1,972,452.86/2,958,763.53 = 774,634.79/x - Step 3: Cross multiply
1,972,452.86x = 2,958,763.53 × 774,634.79 - Step 4: Simplify right side
1,972,452.86x = 2,291,961,165,721.21 - Step 5: Solve for x
x = 2,291,961,165,721.21/1,972,452.86 - Step 6: Final answer
x = 1,161,985.27
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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.