Finding the Fourth Proportional to 1,656,917.51, 2,286,279.43 and 931,721.99
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Solution
The fourth proportional to 1,656,917.51, 2,286,279.43 and 931,721.99 is: 1,285,626.35
Step by Step Solution
- Step 1: Write the proportion equation
1,656,917.51 : 2,286,279.43 = 931,721.99 : x - Step 2: Convert to fraction form
1,656,917.51/2,286,279.43 = 931,721.99/x - Step 3: Cross multiply
1,656,917.51x = 2,286,279.43 × 931,721.99 - Step 4: Simplify right side
1,656,917.51x = 2,130,176,806,454.96 - Step 5: Solve for x
x = 2,130,176,806,454.96/1,656,917.51 - Step 6: Final answer
x = 1,285,626.35
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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.