Finding the Fourth Proportional to 2,171,718.74, 3,257,601.37 and 655,415.28
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Solution
The fourth proportional to 2,171,718.74, 3,257,601.37 and 655,415.28 is: 983,129.94
Step by Step Solution
- Step 1: Write the proportion equation
2,171,718.74 : 3,257,601.37 = 655,415.28 : x - Step 2: Convert to fraction form
2,171,718.74/3,257,601.37 = 655,415.28/x - Step 3: Cross multiply
2,171,718.74x = 3,257,601.37 × 655,415.28 - Step 4: Simplify right side
2,171,718.74x = 2,135,081,712,408.40 - Step 5: Solve for x
x = 2,135,081,712,408.40/2,171,718.74 - Step 6: Final answer
x = 983,129.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.