Finding the Fourth Proportional to 1,887,948.74, 2,605,364.70 and 1,028,516.06
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Solution
The fourth proportional to 1,887,948.74, 2,605,364.70 and 1,028,516.06 is: 1,419,349.68
Step by Step Solution
- Step 1: Write the proportion equation
1,887,948.74 : 2,605,364.70 = 1,028,516.06 : x - Step 2: Convert to fraction form
1,887,948.74/2,605,364.70 = 1,028,516.06/x - Step 3: Cross multiply
1,887,948.74x = 2,605,364.70 × 1,028,516.06 - Step 4: Simplify right side
1,887,948.74x = 2,679,659,436,107.08 - Step 5: Solve for x
x = 2,679,659,436,107.08/1,887,948.74 - Step 6: Final answer
x = 1,419,349.68
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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.