Finding the Fourth Proportional to 4,375,235.20, 6,559,742.40 and 1,678,518.40
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Solution
The fourth proportional to 4,375,235.20, 6,559,742.40 and 1,678,518.40 is: 2,516,584.32
Step by Step Solution
- Step 1: Write the proportion equation
4,375,235.20 : 6,559,742.40 = 1,678,518.40 : x - Step 2: Convert to fraction form
4,375,235.20/6,559,742.40 = 1,678,518.40/x - Step 3: Cross multiply
4,375,235.20x = 6,559,742.40 × 1,678,518.40 - Step 4: Simplify right side
4,375,235.20x = 11,010,648,317,660.16 - Step 5: Solve for x
x = 11,010,648,317,660.16/4,375,235.20 - Step 6: Final answer
x = 2,516,584.32
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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.