Finding the Fourth Proportional to 4,518,389.78, 6,235,207.62 and 2,453,360.70
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Solution
The fourth proportional to 4,518,389.78, 6,235,207.62 and 2,453,360.70 is: 3,385,545.31
Step by Step Solution
- Step 1: Write the proportion equation
4,518,389.78 : 6,235,207.62 = 2,453,360.70 : x - Step 2: Convert to fraction form
4,518,389.78/6,235,207.62 = 2,453,360.70/x - Step 3: Cross multiply
4,518,389.78x = 6,235,207.62 × 2,453,360.70 - Step 4: Simplify right side
4,518,389.78x = 15,297,213,345,430.46 - Step 5: Solve for x
x = 15,297,213,345,430.46/4,518,389.78 - Step 6: Final answer
x = 3,385,545.31
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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.