Finding the Fourth Proportional to 2,118,347.01, 2,923,743.33 and 1,258,740.99
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Solution
The fourth proportional to 2,118,347.01, 2,923,743.33 and 1,258,740.99 is: 1,737,314.78
Step by Step Solution
- Step 1: Write the proportion equation
2,118,347.01 : 2,923,743.33 = 1,258,740.99 : x - Step 2: Convert to fraction form
2,118,347.01/2,923,743.33 = 1,258,740.99/x - Step 3: Cross multiply
2,118,347.01x = 2,923,743.33 × 1,258,740.99 - Step 4: Simplify right side
2,118,347.01x = 3,680,235,573,710.10 - Step 5: Solve for x
x = 3,680,235,573,710.10/2,118,347.01 - Step 6: Final answer
x = 1,737,314.78
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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.