Finding the Fourth Proportional to 6,343,740.48, 8,754,373.98 and 3,765,938.16
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Solution
The fourth proportional to 6,343,740.48, 8,754,373.98 and 3,765,938.16 is: 5,197,001.85
Step by Step Solution
- Step 1: Write the proportion equation
6,343,740.48 : 8,754,373.98 = 3,765,938.16 : x - Step 2: Convert to fraction form
6,343,740.48/8,754,373.98 = 3,765,938.16/x - Step 3: Cross multiply
6,343,740.48x = 8,754,373.98 × 3,765,938.16 - Step 4: Simplify right side
6,343,740.48x = 32,968,431,038,193.08 - Step 5: Solve for x
x = 32,968,431,038,193.08/6,343,740.48 - Step 6: Final answer
x = 5,197,001.85
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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.