Finding the Fourth Proportional to 3,484,171.98, 4,808,292.12 and 1,935,550.92
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Solution
The fourth proportional to 3,484,171.98, 4,808,292.12 and 1,935,550.92 is: 2,671,135.15
Step by Step Solution
- Step 1: Write the proportion equation
3,484,171.98 : 4,808,292.12 = 1,935,550.92 : x - Step 2: Convert to fraction form
3,484,171.98/4,808,292.12 = 1,935,550.92/x - Step 3: Cross multiply
3,484,171.98x = 4,808,292.12 × 1,935,550.92 - Step 4: Simplify right side
3,484,171.98x = 9,306,694,236,494.75 - Step 5: Solve for x
x = 9,306,694,236,494.75/3,484,171.98 - Step 6: Final answer
x = 2,671,135.15
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1.5x scale
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.