Finding the Fourth Proportional to 6,663,993.44, 9,996,364.02 and 1,871,308.99
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Solution
The fourth proportional to 6,663,993.44, 9,996,364.02 and 1,871,308.99 is: 2,807,068.47
Step by Step Solution
- Step 1: Write the proportion equation
6,663,993.44 : 9,996,364.02 = 1,871,308.99 : x - Step 2: Convert to fraction form
6,663,993.44/9,996,364.02 = 1,871,308.99/x - Step 3: Cross multiply
6,663,993.44x = 9,996,364.02 × 1,871,308.99 - Step 4: Simplify right side
6,663,993.44x = 18,706,285,857,938.54 - Step 5: Solve for x
x = 18,706,285,857,938.54/6,663,993.44 - Step 6: Final answer
x = 2,807,068.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.