Finding the Fourth Proportional to 1,781,895.56, 2,456,637.09 and 1,415,588.09
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Solution
The fourth proportional to 1,781,895.56, 2,456,637.09 and 1,415,588.09 is: 1,951,621.79
Step by Step Solution
- Step 1: Write the proportion equation
1,781,895.56 : 2,456,637.09 = 1,415,588.09 : x - Step 2: Convert to fraction form
1,781,895.56/2,456,637.09 = 1,415,588.09/x - Step 3: Cross multiply
1,781,895.56x = 2,456,637.09 × 1,415,588.09 - Step 4: Simplify right side
1,781,895.56x = 3,477,586,206,056.26 - Step 5: Solve for x
x = 3,477,586,206,056.26/1,781,895.56 - Step 6: Final answer
x = 1,951,621.79
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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.