Finding the Fourth Proportional to 1,680,604.41, 2,319,430.14 and 955,560.75
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Solution
The fourth proportional to 1,680,604.41, 2,319,430.14 and 955,560.75 is: 1,318,785.31
Step by Step Solution
- Step 1: Write the proportion equation
1,680,604.41 : 2,319,430.14 = 955,560.75 : x - Step 2: Convert to fraction form
1,680,604.41/2,319,430.14 = 955,560.75/x - Step 3: Cross multiply
1,680,604.41x = 2,319,430.14 × 955,560.75 - Step 4: Simplify right side
1,680,604.41x = 2,216,356,404,151.01 - Step 5: Solve for x
x = 2,216,356,404,151.01/1,680,604.41 - Step 6: Final answer
x = 1,318,785.31
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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.