Finding the Fourth Proportional to 7,450,903.79, 11,176,887.72 and 1,985,969.97
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Solution
The fourth proportional to 7,450,903.79, 11,176,887.72 and 1,985,969.97 is: 2,979,096.77
Step by Step Solution
- Step 1: Write the proportion equation
7,450,903.79 : 11,176,887.72 = 1,985,969.97 : x - Step 2: Convert to fraction form
7,450,903.79/11,176,887.72 = 1,985,969.97/x - Step 3: Cross multiply
7,450,903.79x = 11,176,887.72 × 1,985,969.97 - Step 4: Simplify right side
7,450,903.79x = 22,196,963,407,001.32 - Step 5: Solve for x
x = 22,196,963,407,001.32/7,450,903.79 - Step 6: Final answer
x = 2,979,096.77
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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.