Finding the Fourth Proportional to 5,636,729.96, 7,778,661.36 and 3,058,404.38
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Solution
The fourth proportional to 5,636,729.96, 7,778,661.36 and 3,058,404.38 is: 4,220,583.95
Step by Step Solution
- Step 1: Write the proportion equation
5,636,729.96 : 7,778,661.36 = 3,058,404.38 : x - Step 2: Convert to fraction form
5,636,729.96/7,778,661.36 = 3,058,404.38/x - Step 3: Cross multiply
5,636,729.96x = 7,778,661.36 × 3,058,404.38 - Step 4: Simplify right side
5,636,729.96x = 23,790,291,973,960.76 - Step 5: Solve for x
x = 23,790,291,973,960.76/5,636,729.96 - Step 6: Final answer
x = 4,220,583.95
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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.