Finding the Fourth Proportional to 1,620,215.06, 2,235,889.76 and 895,062.74
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Solution
The fourth proportional to 1,620,215.06, 2,235,889.76 and 895,062.74 is: 1,235,182.70
Step by Step Solution
- Step 1: Write the proportion equation
1,620,215.06 : 2,235,889.76 = 895,062.74 : x - Step 2: Convert to fraction form
1,620,215.06/2,235,889.76 = 895,062.74/x - Step 3: Cross multiply
1,620,215.06x = 2,235,889.76 × 895,062.74 - Step 4: Simplify right side
1,620,215.06x = 2,001,261,614,923.54 - Step 5: Solve for x
x = 2,001,261,614,923.54/1,620,215.06 - Step 6: Final answer
x = 1,235,182.70
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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.