Finding the Fourth Proportional to 3,571,496.99, 4,928,705.77 and 2,101,730.49
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Solution
The fourth proportional to 3,571,496.99, 4,928,705.77 and 2,101,730.49 is: 2,900,411.57
Step by Step Solution
- Step 1: Write the proportion equation
3,571,496.99 : 4,928,705.77 = 2,101,730.49 : x - Step 2: Convert to fraction form
3,571,496.99/4,928,705.77 = 2,101,730.49/x - Step 3: Cross multiply
3,571,496.99x = 4,928,705.77 × 2,101,730.49 - Step 4: Simplify right side
3,571,496.99x = 10,358,811,168,404.40 - Step 5: Solve for x
x = 10,358,811,168,404.40/3,571,496.99 - Step 6: Final answer
x = 2,900,411.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.