Finding the Fourth Proportional to 1,542,291.84, 2,313,369.72 and 420,360.84
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Solution
The fourth proportional to 1,542,291.84, 2,313,369.72 and 420,360.84 is: 630,522.72
Step by Step Solution
- Step 1: Write the proportion equation
1,542,291.84 : 2,313,369.72 = 420,360.84 : x - Step 2: Convert to fraction form
1,542,291.84/2,313,369.72 = 420,360.84/x - Step 3: Cross multiply
1,542,291.84x = 2,313,369.72 × 420,360.84 - Step 4: Simplify right side
1,542,291.84x = 972,450,038,729.77 - Step 5: Solve for x
x = 972,450,038,729.77/1,542,291.84 - Step 6: Final answer
x = 630,522.72
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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.