Finding the Fourth Proportional to 4,300,391.36, 6,454,572.84 and 2,171,970.18
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Solution
The fourth proportional to 4,300,391.36, 6,454,572.84 and 2,171,970.18 is: 3,259,968.35
Step by Step Solution
- Step 1: Write the proportion equation
4,300,391.36 : 6,454,572.84 = 2,171,970.18 : x - Step 2: Convert to fraction form
4,300,391.36/6,454,572.84 = 2,171,970.18/x - Step 3: Cross multiply
4,300,391.36x = 6,454,572.84 × 2,171,970.18 - Step 4: Simplify right side
4,300,391.36x = 14,019,139,733,117.91 - Step 5: Solve for x
x = 14,019,139,733,117.91/4,300,391.36 - Step 6: Final answer
x = 3,259,968.35
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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.