Finding the Fourth Proportional to 4,795,745.55, 6,621,061.68 and 3,120,924.62
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Solution
The fourth proportional to 4,795,745.55, 6,621,061.68 and 3,120,924.62 is: 4,308,784.56
Step by Step Solution
- Step 1: Write the proportion equation
4,795,745.55 : 6,621,061.68 = 3,120,924.62 : x - Step 2: Convert to fraction form
4,795,745.55/6,621,061.68 = 3,120,924.62/x - Step 3: Cross multiply
4,795,745.55x = 6,621,061.68 × 3,120,924.62 - Step 4: Simplify right side
4,795,745.55x = 20,663,834,374,545.25 - Step 5: Solve for x
x = 20,663,834,374,545.25/4,795,745.55 - Step 6: Final answer
x = 4,308,784.56
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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.