Finding the Fourth Proportional to 5,122,762.12, 7,688,453.94 and 2,563,209.16
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Solution
The fourth proportional to 5,122,762.12, 7,688,453.94 and 2,563,209.16 is: 3,846,970.66
Step by Step Solution
- Step 1: Write the proportion equation
5,122,762.12 : 7,688,453.94 = 2,563,209.16 : x - Step 2: Convert to fraction form
5,122,762.12/7,688,453.94 = 2,563,209.16/x - Step 3: Cross multiply
5,122,762.12x = 7,688,453.94 × 2,563,209.16 - Step 4: Simplify right side
5,122,762.12x = 19,707,115,565,246.09 - Step 5: Solve for x
x = 19,707,115,565,246.09/5,122,762.12 - Step 6: Final answer
x = 3,846,970.66
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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.