Finding the Fourth Proportional to 2,571,726.19, 3,857,749.67 and 678,469.45
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Solution
The fourth proportional to 2,571,726.19, 3,857,749.67 and 678,469.45 is: 1,017,746.49
Step by Step Solution
- Step 1: Write the proportion equation
2,571,726.19 : 3,857,749.67 = 678,469.45 : x - Step 2: Convert to fraction form
2,571,726.19/3,857,749.67 = 678,469.45/x - Step 3: Cross multiply
2,571,726.19x = 3,857,749.67 × 678,469.45 - Step 4: Simplify right side
2,571,726.19x = 2,617,365,296,842.58 - Step 5: Solve for x
x = 2,617,365,296,842.58/2,571,726.19 - Step 6: Final answer
x = 1,017,746.49
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.