Finding the Fourth Proportional to 3,850,921.34, 5,314,467.41 and 2,132,230.94
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Solution
The fourth proportional to 3,850,921.34, 5,314,467.41 and 2,132,230.94 is: 2,942,587.19
Step by Step Solution
- Step 1: Write the proportion equation
3,850,921.34 : 5,314,467.41 = 2,132,230.94 : x - Step 2: Convert to fraction form
3,850,921.34/5,314,467.41 = 2,132,230.94/x - Step 3: Cross multiply
3,850,921.34x = 5,314,467.41 × 2,132,230.94 - Step 4: Simplify right side
3,850,921.34x = 11,331,671,803,990.17 - Step 5: Solve for x
x = 11,331,671,803,990.17/3,850,921.34 - Step 6: Final answer
x = 2,942,587.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.