Finding the Fourth Proportional to 1,515,280.14, 2,259,523.44 and 1,501,772.67
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Solution
The fourth proportional to 1,515,280.14, 2,259,523.44 and 1,501,772.67 is: 2,239,381.66
Step by Step Solution
- Step 1: Write the proportion equation
1,515,280.14 : 2,259,523.44 = 1,501,772.67 : x - Step 2: Convert to fraction form
1,515,280.14/2,259,523.44 = 1,501,772.67/x - Step 3: Cross multiply
1,515,280.14x = 2,259,523.44 × 1,501,772.67 - Step 4: Simplify right side
1,515,280.14x = 3,393,290,549,416.39 - Step 5: Solve for x
x = 3,393,290,549,416.39/1,515,280.14 - Step 6: Final answer
x = 2,239,381.66
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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.