Finding the Fourth Proportional to 5,212,042.19, 7,820,206.13 and 2,292,631.95
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Solution
The fourth proportional to 5,212,042.19, 7,820,206.13 and 2,292,631.95 is: 3,439,890.50
Step by Step Solution
- Step 1: Write the proportion equation
5,212,042.19 : 7,820,206.13 = 2,292,631.95 : x - Step 2: Convert to fraction form
5,212,042.19/7,820,206.13 = 2,292,631.95/x - Step 3: Cross multiply
5,212,042.19x = 7,820,206.13 × 2,292,631.95 - Step 4: Simplify right side
5,212,042.19x = 17,928,854,429,223.86 - Step 5: Solve for x
x = 17,928,854,429,223.86/5,212,042.19 - Step 6: Final answer
x = 3,439,890.50
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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.