Finding the Fourth Proportional to 3,315,745.93, 4,973,618.62 and 919,590.55
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Solution
The fourth proportional to 3,315,745.93, 4,973,618.62 and 919,590.55 is: 1,379,385.75
Step by Step Solution
- Step 1: Write the proportion equation
3,315,745.93 : 4,973,618.62 = 919,590.55 : x - Step 2: Convert to fraction form
3,315,745.93/4,973,618.62 = 919,590.55/x - Step 3: Cross multiply
3,315,745.93x = 4,973,618.62 × 919,590.55 - Step 4: Simplify right side
3,315,745.93x = 4,573,692,682,256.04 - Step 5: Solve for x
x = 4,573,692,682,256.04/3,315,745.93 - Step 6: Final answer
x = 1,379,385.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.