Finding the Fourth Proportional to 3,828,020.16, 5,742,871.01 and 1,132,135.19
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Solution
The fourth proportional to 3,828,020.16, 5,742,871.01 and 1,132,135.19 is: 1,698,451.45
Step by Step Solution
- Step 1: Write the proportion equation
3,828,020.16 : 5,742,871.01 = 1,132,135.19 : x - Step 2: Convert to fraction form
3,828,020.16/5,742,871.01 = 1,132,135.19/x - Step 3: Cross multiply
3,828,020.16x = 5,742,871.01 × 1,132,135.19 - Step 4: Simplify right side
3,828,020.16x = 6,501,706,385,761.73 - Step 5: Solve for x
x = 6,501,706,385,761.73/3,828,020.16 - Step 6: Final answer
x = 1,698,451.45
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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.