Finding the Fourth Proportional to 1,455,114.34, 2,171,291.36 and 1,303,813.36
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Solution
The fourth proportional to 1,455,114.34, 2,171,291.36 and 1,303,813.36 is: 1,945,523.18
Step by Step Solution
- Step 1: Write the proportion equation
1,455,114.34 : 2,171,291.36 = 1,303,813.36 : x - Step 2: Convert to fraction form
1,455,114.34/2,171,291.36 = 1,303,813.36/x - Step 3: Cross multiply
1,455,114.34x = 2,171,291.36 × 1,303,813.36 - Step 4: Simplify right side
1,455,114.34x = 2,830,958,683,620.57 - Step 5: Solve for x
x = 2,830,958,683,620.57/1,455,114.34 - Step 6: Final answer
x = 1,945,523.18
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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.