Finding the Fourth Proportional to 4,031,413.09, 5,563,383.02 and 2,195,878.57
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Solution
The fourth proportional to 4,031,413.09, 5,563,383.02 and 2,195,878.57 is: 3,030,330.38
Step by Step Solution
- Step 1: Write the proportion equation
4,031,413.09 : 5,563,383.02 = 2,195,878.57 : x - Step 2: Convert to fraction form
4,031,413.09/5,563,383.02 = 2,195,878.57/x - Step 3: Cross multiply
4,031,413.09x = 5,563,383.02 × 2,195,878.57 - Step 4: Simplify right side
4,031,413.09x = 12,216,513,550,319.88 - Step 5: Solve for x
x = 12,216,513,550,319.88/4,031,413.09 - Step 6: Final answer
x = 3,030,330.38
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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.