Finding the Fourth Proportional to 1,422,672.64, 2,131,639.68 and 1,001,062.76
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Solution
The fourth proportional to 1,422,672.64, 2,131,639.68 and 1,001,062.76 is: 1,499,927.00
Step by Step Solution
- Step 1: Write the proportion equation
1,422,672.64 : 2,131,639.68 = 1,001,062.76 : x - Step 2: Convert to fraction form
1,422,672.64/2,131,639.68 = 1,001,062.76/x - Step 3: Cross multiply
1,422,672.64x = 2,131,639.68 × 1,001,062.76 - Step 4: Simplify right side
1,422,672.64x = 2,133,905,101,386.32 - Step 5: Solve for x
x = 2,133,905,101,386.32/1,422,672.64 - Step 6: Final answer
x = 1,499,927.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.