Finding the Fourth Proportional to 8,590,909.70, 12,886,072.95 and 2,201,224.70
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Solution
The fourth proportional to 8,590,909.70, 12,886,072.95 and 2,201,224.70 is: 3,301,762.33
Step by Step Solution
- Step 1: Write the proportion equation
8,590,909.70 : 12,886,072.95 = 2,201,224.70 : x - Step 2: Convert to fraction form
8,590,909.70/12,886,072.95 = 2,201,224.70/x - Step 3: Cross multiply
8,590,909.70x = 12,886,072.95 × 2,201,224.70 - Step 4: Simplify right side
8,590,909.70x = 28,365,142,063,541.87 - Step 5: Solve for x
x = 28,365,142,063,541.87/8,590,909.70 - Step 6: Final answer
x = 3,301,762.33
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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.