Finding the Fourth Proportional to 3,888,058.88, 5,365,650.08 and 2,122,053.68
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Solution
The fourth proportional to 3,888,058.88, 5,365,650.08 and 2,122,053.68 is: 2,928,504.39
Step by Step Solution
- Step 1: Write the proportion equation
3,888,058.88 : 5,365,650.08 = 2,122,053.68 : x - Step 2: Convert to fraction form
3,888,058.88/5,365,650.08 = 2,122,053.68/x - Step 3: Cross multiply
3,888,058.88x = 5,365,650.08 × 2,122,053.68 - Step 4: Simplify right side
3,888,058.88x = 11,386,197,497,856.29 - Step 5: Solve for x
x = 11,386,197,497,856.29/3,888,058.88 - Step 6: Final answer
x = 2,928,504.39
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1.5x scale
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.