Finding the Fourth Proportional to 2,979,149.85, 4,465,225.58 and 1,378,331.73
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Solution
The fourth proportional to 2,979,149.85, 4,465,225.58 and 1,378,331.73 is: 2,065,878.66
Step by Step Solution
- Step 1: Write the proportion equation
2,979,149.85 : 4,465,225.58 = 1,378,331.73 : x - Step 2: Convert to fraction form
2,979,149.85/4,465,225.58 = 1,378,331.73/x - Step 3: Cross multiply
2,979,149.85x = 4,465,225.58 × 1,378,331.73 - Step 4: Simplify right side
2,979,149.85x = 6,154,562,091,630.00 - Step 5: Solve for x
x = 6,154,562,091,630.00/2,979,149.85 - Step 6: Final answer
x = 2,065,878.66
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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.