Finding the Fourth Proportional to 1,908,927.41, 2,634,308.76 and 1,082,156.99
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Solution
The fourth proportional to 1,908,927.41, 2,634,308.76 and 1,082,156.99 is: 1,493,370.37
Step by Step Solution
- Step 1: Write the proportion equation
1,908,927.41 : 2,634,308.76 = 1,082,156.99 : x - Step 2: Convert to fraction form
1,908,927.41/2,634,308.76 = 1,082,156.99/x - Step 3: Cross multiply
1,908,927.41x = 2,634,308.76 × 1,082,156.99 - Step 4: Simplify right side
1,908,927.41x = 2,850,735,627,617.07 - Step 5: Solve for x
x = 2,850,735,627,617.07/1,908,927.41 - Step 6: Final answer
x = 1,493,370.37
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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.