Finding the Fourth Proportional to 1,415,133.60, 1,949,562.96 and 984,673.44
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Solution
The fourth proportional to 1,415,133.60, 1,949,562.96 and 984,673.44 is: 1,356,538.26
Step by Step Solution
- Step 1: Write the proportion equation
1,415,133.60 : 1,949,562.96 = 984,673.44 : x - Step 2: Convert to fraction form
1,415,133.60/1,949,562.96 = 984,673.44/x - Step 3: Cross multiply
1,415,133.60x = 1,949,562.96 × 984,673.44 - Step 4: Simplify right side
1,415,133.60x = 1,919,682,866,319.78 - Step 5: Solve for x
x = 1,919,682,866,319.78/1,415,133.60 - Step 6: Final answer
x = 1,356,538.26
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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.