Finding the Fourth Proportional to 4,075,836.80, 6,113,560.80 and 1,379,897.60
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Solution
The fourth proportional to 4,075,836.80, 6,113,560.80 and 1,379,897.60 is: 2,069,780.58
Step by Step Solution
- Step 1: Write the proportion equation
4,075,836.80 : 6,113,560.80 = 1,379,897.60 : x - Step 2: Convert to fraction form
4,075,836.80/6,113,560.80 = 1,379,897.60/x - Step 3: Cross multiply
4,075,836.80x = 6,113,560.80 × 1,379,897.60 - Step 4: Simplify right side
4,075,836.80x = 8,436,087,875,374.08 - Step 5: Solve for x
x = 8,436,087,875,374.08/4,075,836.80 - Step 6: Final answer
x = 2,069,780.58
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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.