Finding the Fourth Proportional to 5,409,501.98, 8,115,769.95 and 2,173,312.15
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Solution
The fourth proportional to 5,409,501.98, 8,115,769.95 and 2,173,312.15 is: 3,260,577.68
Step by Step Solution
- Step 1: Write the proportion equation
5,409,501.98 : 8,115,769.95 = 2,173,312.15 : x - Step 2: Convert to fraction form
5,409,501.98/8,115,769.95 = 2,173,312.15/x - Step 3: Cross multiply
5,409,501.98x = 8,115,769.95 × 2,173,312.15 - Step 4: Simplify right side
5,409,501.98x = 17,638,101,398,361.04 - Step 5: Solve for x
x = 17,638,101,398,361.04/5,409,501.98 - Step 6: Final answer
x = 3,260,577.68
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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.