Finding the Fourth Proportional to 4,171,444.20, 6,257,166.30 and 1,478,809.80
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Solution
The fourth proportional to 4,171,444.20, 6,257,166.30 and 1,478,809.80 is: 2,218,214.70
Step by Step Solution
- Step 1: Write the proportion equation
4,171,444.20 : 6,257,166.30 = 1,478,809.80 : x - Step 2: Convert to fraction form
4,171,444.20/6,257,166.30 = 1,478,809.80/x - Step 3: Cross multiply
4,171,444.20x = 6,257,166.30 × 1,478,809.80 - Step 4: Simplify right side
4,171,444.20x = 9,253,158,844,669.74 - Step 5: Solve for x
x = 9,253,158,844,669.74/4,171,444.20 - Step 6: Final answer
x = 2,218,214.70
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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.