Finding the Fourth Proportional to 3,430,109.84, 5,140,592.99 and 1,810,497.92
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Solution
The fourth proportional to 3,430,109.84, 5,140,592.99 and 1,810,497.92 is: 2,713,333.79
Step by Step Solution
- Step 1: Write the proportion equation
3,430,109.84 : 5,140,592.99 = 1,810,497.92 : x - Step 2: Convert to fraction form
3,430,109.84/5,140,592.99 = 1,810,497.92/x - Step 3: Cross multiply
3,430,109.84x = 5,140,592.99 × 1,810,497.92 - Step 4: Simplify right side
3,430,109.84x = 9,307,032,915,961.58 - Step 5: Solve for x
x = 9,307,032,915,961.58/3,430,109.84 - Step 6: Final answer
x = 2,713,333.79
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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.