Finding the Fourth Proportional to 5,379,868.35, 8,069,838.86 and 1,966,750.88
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Solution
The fourth proportional to 5,379,868.35, 8,069,838.86 and 1,966,750.88 is: 2,950,139.60
Step by Step Solution
- Step 1: Write the proportion equation
5,379,868.35 : 8,069,838.86 = 1,966,750.88 : x - Step 2: Convert to fraction form
5,379,868.35/8,069,838.86 = 1,966,750.88/x - Step 3: Cross multiply
5,379,868.35x = 8,069,838.86 × 1,966,750.88 - Step 4: Simplify right side
5,379,868.35x = 15,871,362,643,930.88 - Step 5: Solve for x
x = 15,871,362,643,930.88/5,379,868.35 - Step 6: Final answer
x = 2,950,139.60
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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.