Finding the Fourth Proportional to 1,625,683.44, 2,428,637.52 and 1,052,394.21
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Solution
The fourth proportional to 1,625,683.44, 2,428,637.52 and 1,052,394.21 is: 1,572,190.50
Step by Step Solution
- Step 1: Write the proportion equation
1,625,683.44 : 2,428,637.52 = 1,052,394.21 : x - Step 2: Convert to fraction form
1,625,683.44/2,428,637.52 = 1,052,394.21/x - Step 3: Cross multiply
1,625,683.44x = 2,428,637.52 × 1,052,394.21 - Step 4: Simplify right side
1,625,683.44x = 2,555,884,064,236.76 - Step 5: Solve for x
x = 2,555,884,064,236.76/1,625,683.44 - Step 6: Final answer
x = 1,572,190.50
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.