Finding the Fourth Proportional to 1,503,509.44, 2,072,835.78 and 1,194,437.53
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Solution
The fourth proportional to 1,503,509.44, 2,072,835.78 and 1,194,437.53 is: 1,646,729.17
Step by Step Solution
- Step 1: Write the proportion equation
1,503,509.44 : 2,072,835.78 = 1,194,437.53 : x - Step 2: Convert to fraction form
1,503,509.44/2,072,835.78 = 1,194,437.53/x - Step 3: Cross multiply
1,503,509.44x = 2,072,835.78 × 1,194,437.53 - Step 4: Simplify right side
1,503,509.44x = 2,475,872,849,158.82 - Step 5: Solve for x
x = 2,475,872,849,158.82/1,503,509.44 - Step 6: Final answer
x = 1,646,729.17
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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.