Finding the Fourth Proportional to 1,670,403.98, 2,305,163.68 and 906,457.34
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Solution
The fourth proportional to 1,670,403.98, 2,305,163.68 and 906,457.34 is: 1,250,914.49
Step by Step Solution
- Step 1: Write the proportion equation
1,670,403.98 : 2,305,163.68 = 906,457.34 : x - Step 2: Convert to fraction form
1,670,403.98/2,305,163.68 = 906,457.34/x - Step 3: Cross multiply
1,670,403.98x = 2,305,163.68 × 906,457.34 - Step 4: Simplify right side
1,670,403.98x = 2,089,532,537,637.41 - Step 5: Solve for x
x = 2,089,532,537,637.41/1,670,403.98 - Step 6: Final answer
x = 1,250,914.49
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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.