Finding the Fourth Proportional to 7,116,489.09, 10,674,637.95 and 1,725,185.99
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Solution
The fourth proportional to 7,116,489.09, 10,674,637.95 and 1,725,185.99 is: 2,587,755.79
Step by Step Solution
- Step 1: Write the proportion equation
7,116,489.09 : 10,674,637.95 = 1,725,185.99 : x - Step 2: Convert to fraction form
7,116,489.09/10,674,637.95 = 1,725,185.99/x - Step 3: Cross multiply
7,116,489.09x = 10,674,637.95 × 1,725,185.99 - Step 4: Simplify right side
7,116,489.09x = 18,415,735,872,818.36 - Step 5: Solve for x
x = 18,415,735,872,818.36/7,116,489.09 - Step 6: Final answer
x = 2,587,755.79
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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.