Finding the Fourth Proportional to 3,689,946.67, 5,536,518.48 and 1,982,097.21
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Solution
The fourth proportional to 3,689,946.67, 5,536,518.48 and 1,982,097.21 is: 2,974,004.45
Step by Step Solution
- Step 1: Write the proportion equation
3,689,946.67 : 5,536,518.48 = 1,982,097.21 : x - Step 2: Convert to fraction form
3,689,946.67/5,536,518.48 = 1,982,097.21/x - Step 3: Cross multiply
3,689,946.67x = 5,536,518.48 × 1,982,097.21 - Step 4: Simplify right side
3,689,946.67x = 10,973,917,832,321.44 - Step 5: Solve for x
x = 10,973,917,832,321.44/3,689,946.67 - Step 6: Final answer
x = 2,974,004.45
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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.