Finding the Fourth Proportional to 3,828,000.19, 5,742,000.30 and 1,132,115.62
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Solution
The fourth proportional to 3,828,000.19, 5,742,000.30 and 1,132,115.62 is: 1,698,173.43
Step by Step Solution
- Step 1: Write the proportion equation
3,828,000.19 : 5,742,000.30 = 1,132,115.62 : x - Step 2: Convert to fraction form
3,828,000.19/5,742,000.30 = 1,132,115.62/x - Step 3: Cross multiply
3,828,000.19x = 5,742,000.30 × 1,132,115.62 - Step 4: Simplify right side
3,828,000.19x = 6,500,608,229,674.69 - Step 5: Solve for x
x = 6,500,608,229,674.69/3,828,000.19 - Step 6: Final answer
x = 1,698,173.43
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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.