Finding the Fourth Proportional to 4,713,971.11, 7,072,751.98 and 1,640,303.44
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Solution
The fourth proportional to 4,713,971.11, 7,072,751.98 and 1,640,303.44 is: 2,461,079.86
Step by Step Solution
- Step 1: Write the proportion equation
4,713,971.11 : 7,072,751.98 = 1,640,303.44 : x - Step 2: Convert to fraction form
4,713,971.11/7,072,751.98 = 1,640,303.44/x - Step 3: Cross multiply
4,713,971.11x = 7,072,751.98 × 1,640,303.44 - Step 4: Simplify right side
4,713,971.11x = 11,601,459,372,094.87 - Step 5: Solve for x
x = 11,601,459,372,094.87/4,713,971.11 - Step 6: Final answer
x = 2,461,079.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.